5.Solid , Liquid and Gases

05 Solid , Liquid and Gases

Question: It is difficult to walk on the ice than on the road because: ( UP PCS (pre) 1994 )

question-it-is-difficult-to-walk-on-the-ice-than-on-the-road-because-up-pcs-pre-1994
Question: Consider the following statement and conclusions which can be drawn from it. Choose the correct conclusion. Statement: In starting a loaded card, one has to push harder than to keep it moving. Conclusions : (UP PCS (mains) 2013)

question-consider-the-following-statement-and-conclusions-which-can-be-drawn-from-it-choose-the-correct-conclusion-statement-in-starting-a-loaded-card-one-has-to-push-harder-than-to-keep-it-moving-conclusions-up-pcs-mains-2013
Question: The rain drops are spherical because- ( UP PCS (pre) 2005 )

question-the-rain-drops-are-spherical-because-up-pcs-pre-2005
Question: Spherical form of raindrop is due to- ( Chhattisgarh PCS (pre) 2003 )

question-spherical-form-of-raindrop-is-due-to-chhattisgarh-pcs-pre-2003
Question: The tendency of a liquid drop to contract and occupy minimum area is due to : ( IAS (pre) 1997 )

question-the-tendency-of-a-liquid-drop-to-contract-and-occupy-minimum-area-is-due-to-ias-pre-1997
Question: A drop of water is spherical is shape. This is due to : ( Utt Lower Sub. (pre) 2010 )

question-a-drop-of-water-is-spherical-is-shape-this-is-due-to-utt-lower-sub-pre-2010
Question: While travelling by plane, the ink of the pen starts to come out- ( UP PCS ( Pre) 1992 )

question-while-travelling-by-plane-the-ink-of-the-pen-starts-to-come-out-up-pcs-pre-1992
Question: When an air buddle at the bottom o lake rises to the top, it will - ( IAS (pre) 1996 )

question-when-an-air-buddle-at-the-bottom-o-lake-rises-to-the-top-it-will-ias-pre-1996
Question: Consider the following statement- If there were no phenomenon of capillarity, then 1. It would be difficult to use a kerosene lamp. 2. One would not be able to use a straw to consume a soft drink. 3. The blotting paper would fail to function. 4. The big trees that we see around would not have grown on the Earth. Which of the following statements given above are correct ? ( IAS (pre) 2012 )

question-consider-the-following-statement-if-there-were-no-phenomenon-of-capillarity-then-1-it-would-be-difficult-to-use-a-kerosene-lamp-2-one-would-not-be-able-to-use-a-straw-to-consume-a-soft-drink-3-the-blotting-paper-would-fail-to-function-4-the-big-trees-that-we-see-around-would-not-have-grown-on-the-earth-which-of-the-following-statements-given-above-are-correct-ias-pre-2012
Question: In a capillary tube a fluid rises more as compared to water, it is due to : ( RAS/RTS (pre) 2007 )

question-in-a-capillary-tube-a-fluid-rises-more-as-compared-to-water-it-is-due-to-ras-rts-pre-2007
Question: For which one of the following capillarity is not the only reason ? ( IAS (pre) 1999 )

question-for-which-one-of-the-following-capillarity-is-not-the-only-reason-ias-pre-1999
Question: Kerosene rises in the wick of the stove is due to - ( RAS/RTS (pre) 1997 )

question-kerosene-rises-in-the-wick-of-the-stove-is-due-to-ras-rts-pre-1997
Question:: Four wires of same material and dimensions as mentioned below are stretched by a load of same magnitude separately. Which one of them will be elongated maximum ? ( IAS (pre) 2007 )

question-four-wires-of-same-material-and-dimensions-as-mentioned-below-are-stretched-by-a-load-of-same-magnitude-separately-which-one-of-them-will-be-elongated-maximum-ias-pre-2007
Question: A hydrogen-inflated polythene balloon is released from the surface of the Earth. As the balloon rises to an altitude up in the atmosphere, it will- ( IAs (pre) 2003 )

question-a-hydrogen-inflated-polythene-balloon-is-released-from-the-surface-of-the-earth-as-the-balloon-rises-to-an-altitude-up-in-the-atmosphere-it-will-ias-pre-2003
Question: If two bubbles of soap of different diameter come in contact with a tube, then what will happen ? ( RAS/RTS (pre) 2007)

question-if-two-bubbles-of-soap-of-different-diameter-come-in-contact-with-a-tube-then-what-will-happen-ras-rts-pre-2007
Question: Kerosene oil floats on water because- ( Utt Lower Sub. (pre) 2010 )

question-kerosene-oil-floats-on-water-because-utt-lower-sub-pre-2010
Question: What happens when some charge is placed on a soap bubble ? ( UP PCS (pre) 2019 )

question-what-happens-when-some-charge-is-placed-on-a-soap-bubble-up-pcs-pre-2019
Question: Pressure inside a soap bubble is - ( UP PCS (pre) 2014 )

question-pressure-inside-a-soap-bubble-is-up-pcs-pre-2014
Question: In automobile hydraulic brakes work on- ( Jharkhand PCS (pre) 2003 )

question-in-automobile-hydraulic-brakes-work-on-jharkhand-pcs-pre-2003
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question
Question: A sudden fall in barometer reading indicates that the weather will be : ( IAS (pre) 2001 ), UP PCS (pre) 1996 )

question-a-sudden-fall-in-barometer-reading-indicates-that-the-weather-will-be-ias-pre-2001-up-pcs-pre-1996
Question:

question
Question: With the rise of temperature, the viscosity of liquid : ( Utt PCS (pre) 2016 )

question-with-the-rise-of-temperature-the-viscosity-of-liquid-utt-pcs-pre-2016
Question: Which one of the following is most viscous ? ( Utt lower Sub. (pre) 2010 )

question-which-one-of-the-following-is-most-viscous-utt-lower-sub-pre-2010
Question: The highest viscosity among the following is of : (66th BPSC (pre) 2020 )

question-the-highest-viscosity-among-the-following-is-of-66th-bpsc-pre-2020
Question: The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. Why ? ( IAS (pre) 2011 )

question-the-surface-of-a-lake-is-frozen-in-severe-winter-but-the-water-at-its-bottom-is-still-liquid-why-ias-pre-2011
Question: Assertion (A) : With the increase of temperature, the viscosity of glycerine increase. Reason (R) : Rise of temperature increase kinetic energy of molecules. ( IAS (pre) 2002 )

question-assertion-a-with-the-increase-of-temperature-the-viscosity-of-glycerine-increase-reason-r-rise-of-temperature-increase-kinetic-energy-of-molecules-ias-pre-2002
Question: In cold weather, aquatic animals survive even when water at the top layer of the lake freezes into Ice because- ( UP PCS ( pre ) 2005 )

question-in-cold-weather-aquatic-animals-survive-even-when-water-at-the-top-layer-of-the-lake-freezes-into-ice-because-up-pcs-pre-2005
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Question:

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Question: A needle sinks in water whereas a ship made of iron floats on it because : ( UP Lower Sub. (Spl.) (pre) 2004 )

question-a-needle-sinks-in-water-whereas-a-ship-made-of-iron-floats-on-it-because-up-lower-sub-spl-pre-2004
Question: Why does an iron nail float on mercury while it sinks in water ? ( UP PCS (pre) 1994 )

question-why-does-an-iron-nail-float-on-mercury-while-it-sinks-in-water-up-pcs-pre-1994
Question: What change will the volume of water show if the temperature is lowered from 9 degree C to 3 degree C : ( UP PCS (pre) 1997)

question-what-change-will-the-volume-of-water-show-if-the-temperature-is-lowered-from-9-degree-c-to-3-degree-c-up-pcs-pre-1997
Question:

question
Question: The maximum density of water is at : ( UP PCS (mains) 2015 )

question-the-maximum-density-of-water-is-at-up-pcs-mains-2015
Question: When water is heated from 0 degree C to 10 degree C. It's volume : ( IAS (pre) 2001 )

question-when-water-is-heated-from-0-degree-c-to-10-degree-c-it-s-volume-ias-pre-2001
Question: Increasing the amount of a substance does not change its - ( UP PCS (pre) 1992 )

question-increasing-the-amount-of-a-substance-does-not-change-its-up-pcs-pre-1992
Question: What is the law in which under the same conditions of temperature and pressure, equal volumes of all gases contain equal number of molecules ? ( 67th BPSC (pre) (Re-Exam) 2022 )

question-what-is-the-law-in-which-under-the-same-conditions-of-temperature-and-pressure-equal-volumes-of-all-gases-contain-equal-number-of-molecules-67th-bpsc-pre-re-exam-2022
Question: Fish can survive in a frozen lake because- ( Jharkhand PCS (pre) 2010 ), UP PSC (GIC) 2010 )

question-fish-can-survive-in-a-frozen-lake-because-jharkhand-pcs-pre-2010-up-psc-gic-2010
Question: In which of the following conditions distance between molecules of carbon dioxide filled in a container may increase ? ( Chhattisgarh PCS (pre) 2021 ) (i) On increasing the volume of container (ii) On leakage of some carbon dioxide gas from the container (iii) On increasing air pressure in the container (iv) On adding more carbon dioxide gas in container without changing its size

question-in-which-of-the-following-conditions-distance-between-molecules-of-carbon-dioxide-filled-in-a-container-may-increase-chhattisgarh-pcs-pre-2021-i-on-increasing-the-volume-of-container-ii-on-leakage-of-some-carbon-dioxide-gas-from-the-container-iii-on-increasing-air-pressure-in-the-container-iv-on-adding-more-carbon-dioxide-gas-in-container-without-changing-its-size
Question: An iron needle floats on the surface of water due to- ( UP PCS (mains) 2012 )

question-an-iron-needle-floats-on-the-surface-of-water-due-to-up-pcs-mains-2012
Question: Assertion (A) : An iron ball floats on mercury but gets immersed in water. Reason (R) : The specific gravity of iron is more than that of mercury. ( IAS (pre) 2002 )

question-assertion-a-an-iron-ball-floats-on-mercury-but-gets-immersed-in-water-reason-r-the-specific-gravity-of-iron-is-more-than-that-of-mercury-ias-pre-2002
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Question: 200 gm of water is filled in a weightless balloon. Its weight in water will be ( UP RO/ARO (mains) 2014 )

question-200-gm-of-water-is-filled-in-a-weightless-balloon-its-weight-in-water-will-be-up-ro-aro-mains-2014
Question: While floating in a sea what part of an iceberg is above the surface of the sea ? ( UP PCS (pre) 2005 )

question-while-floating-in-a-sea-what-part-of-an-iceberg-is-above-the-surface-of-the-sea-up-pcs-pre-2005
Question: When a ship enters a sea from a river, what happens ? ( UP Lower Sub. (pre) 2004 ), UP PCS (pre) 1992 )

question-when-a-ship-enters-a-sea-from-a-river-what-happens-up-lower-sub-pre-2004-up-pcs-pre-1992
Question: A body-weight is highest in which among the following ? ( UP PCS. (mains) 2017 )

question-a-body-weight-is-highest-in-which-among-the-following-up-pcs-mains-2017
Question: The clouds float in the atmosphere because of their low : ( IAS (pre) 1995 )

question-the-clouds-float-in-the-atmosphere-because-of-their-low-ias-pre-1995
Question: Why it easier to swim in the sea than in a river ? ( UP Lower Sub. (pre) 2002 )

question-why-it-easier-to-swim-in-the-sea-than-in-a-river-up-lower-sub-pre-2002
Question: An ice cube is floating in a glass of water. What happens to the water level when the ice melts? It- (MP PCS (pre) 2008 )

question-an-ice-cube-is-floating-in-a-glass-of-water-what-happens-to-the-water-level-when-the-ice-melts-it-mp-pcs-pre-2008
Question: While lifting a bucket of water from a well, we feel that the bucket : (UP PCS (pre) 2009 )

question-while-lifting-a-bucket-of-water-from-a-well-we-feel-that-the-bucket-up-pcs-pre-2009
Question: Assertion (A) : When a ship enters a sea from a river, it rises a little. Reason (R) : The density of sea water is greater than that of river water. In the context of the above statements, which of the following is true : ( UP PCS (pre) 2003 ), UP UDA/LDA (pre) 2002 )

question-assertion-a-when-a-ship-enters-a-sea-from-a-river-it-rises-a-little-reason-r-the-density-of-sea-water-is-greater-than-that-of-river-water-in-the-context-of-the-above-statements-which-of-the-following-is-true-up-pcs-pre-2003-up-uda-lda-pre-2002
Which of the following point is correct about the kinetic theory of energy?

which-of-the-following-point-is-correct-about-the-kinetic-theory-of-energy
Take two similar pencil. Dip one pencil in water and another pencil in mercury. Water sticks to pencil but mercury does not stick to pencil, This is because of force of attaraction between molecule of pencil and water and pencil and mercury. This force is scientifically termed as:

take-two-similar-pencil-dip-one-pencil-in-water-and-another-pencil-in-mercury-water-sticks-to-pencil-but-mercury-does-not-stick-to-pencil-this-is-because-of-force-of-attaraction-between-molecule-of-pencil-and-water-and-pencil-and-mercury-this-force-is-scientifically-termed-as
All the liquids at the top behaves like a streched skin. This property of liquid is called

all-the-liquids-at-the-top-behaves-like-a-streched-skin-this-property-of-liquid-is-called
A glass tube is filled with water. A curved surface is formed at the top of tube. the kind of meniscus so formed is

a-glass-tube-is-filled-with-water-a-curved-surface-is-formed-at-the-top-of-tube-the-kind-of-meniscus-so-formed-is
In three glass test tubes, similar quantity of water, alcohol, mercury is poured. The top surface of which liquid will have convex meniscus?

in-three-glass-test-tubes-similar-quantity-of-water-alcohol-mercury-is-poured-the-top-surface-of-which-liquid-will-have-convex-meniscus
When a small drop of water is poured on a glass top it takes shape of ovel ball while a small drop of mercury on glass top take shape of spherical ball. What is the reason behind it

when-a-small-drop-of-water-is-poured-on-a-glass-top-it-takes-shape-of-ovel-ball-while-a-small-drop-of-mercury-on-glass-top-take-shape-of-spherical-ball-what-is-the-reason-behind-it
The surface tension of water can be reduced by adding

the-surface-tension-of-water-can-be-reduced-by-adding
Oil rises continously in the wick of a lamp on account of

oil-rises-continously-in-the-wick-of-a-lamp-on-account-of
When iron rod is heated at one end, another far end also become hot. It is because of the heat energy is conducted through

when-iron-rod-is-heated-at-one-end-another-far-end-also-become-hot-it-is-because-of-the-heat-energy-is-conducted-through
Unlike in solids (where pressure is always exerted downwards), The pressure in flids acts in all direction. Which of the following statement is not true about liquid pressure?

unlike-in-solids-where-pressure-is-always-exerted-downwards-the-pressure-in-flids-acts-in-all-direction-which-of-the-following-statement-is-not-true-about-liquid-pressure
Look at the vessel PQRS filled with a liquid. The pressure exerted by a liquid is qual to its

look-at-the-vessel-pqrs-filled-with-a-liquid-the-pressure-exerted-by-a-liquid-is-qual-to-its
The pressure of liquid at any point inside the vessel depend on

the-pressure-of-liquid-at-any-point-inside-the-vessel-depend-on
See the two vessel of same height filled same liquid. The bottom area of PQ and AB is also same. The total liquid presure of PQ and AB will be

see-the-two-vessel-of-same-height-filled-same-liquid-the-bottom-area-of-pq-and-ab-is-also-same-the-total-liquid-presure-of-pq-and-ab-will-be
With the increasing depth, liquid pressure

with-the-increasing-depth-liquid-pressure
The pressure exerted at any point on an enclosed liquid transmits the pressure

the-pressure-exerted-at-any-point-on-an-enclosed-liquid-transmits-the-pressure
What is pascal's law?

what-is-pascals-law
What is the reason, Why the wall of dam is made thicker at bottom?

what-is-the-reason-why-the-wall-of-dam-is-made-thicker-at-bottom
The gas bubble formed at the bottom of lake when it reaches at surface its size increases, Why?

the-gas-bubble-formed-at-the-bottom-of-lake-when-it-reaches-at-surface-its-size-increases-why
The liquid used in anaeroid barometer is

the-liquid-used-in-anaeroid-barometer-is
The normal atmospheric pressure is

the-normal-atmospheric-pressure-is
Why ink of fountain pen leaks automatically on high mountains?

why-ink-of-fountain-pen-leaks-automatically-on-high-mountains
The atmospheric pressure on earth's surface at sea level is about one hundred thousand pascal (105pa). Why our body do not feel this pressure?

the-atmospheric-pressure-on-earths-surface-at-sea-level-is-about-one-hundred-thousand-pascal-105pa-why-our-body-do-not-feel-this-pressure
The atmospheric pressure is due to the __________

the-atmospheric-pressure-is-due-to-the
At the top of a mountain or say at high altitude many people experience popping in ear. This is due to

at-the-top-of-a-mountain-or-say-at-high-altitude-many-people-experience-popping-in-ear-this-is-due-to
What is Boyle's law?

what-is-boyles-law
When a gas is compressed at a constant temperature its

when-a-gas-is-compressed-at-a-constant-temperature-its
When a body is immersed in a liquid, the apparent loss in weight of body is equal to

when-a-body-is-immersed-in-a-liquid-the-apparent-loss-in-weight-of-body-is-equal-to
Buoyant force exerted by a fluid on a given body is equal to the

buoyant-force-exerted-by-a-fluid-on-a-given-body-is-equal-to-the
If the weight of the body is more than the weight of fluid displaced by it, then the body:

if-the-weight-of-the-body-is-more-than-the-weight-of-fluid-displaced-by-it-then-the-body
The part of an iceberg floating above the surface of water is

the-part-of-an-iceberg-floating-above-the-surface-of-water-is
Buoyant force is also called:

buoyant-force-is-also-called
Buoyant force exerted by a fluid on a body is equal to the

buoyant-force-exerted-by-a-fluid-on-a-body-is-equal-to-the
When the weight of a given body is less than weight of fluid dis-placed by it , then the body

when-the-weight-of-a-given-body-is-less-than-weight-of-fluid-dis-placed-by-it-then-the-body
Swimming in sea water is easier than fresh water because:

swimming-in-sea-water-is-easier-than-fresh-water-because
Look at the following figure. The liquid pressure at point H1 is P1 and H2 is P2. compare the pressure at both point

look-at-the-following-figure-the-liquid-pressure-at-point-h1-is-p1-and-h2-is-p2-compare-the-pressure-at-both-point

5.Solid , Liquid and Gases

Question: It is difficult to walk on the ice than on the road because: ( UP PCS (pre) 1994 )

question-it-is-difficult-to-walk-on-the-ice-than-on-the-road-because-up-pcs-pre-1994

Question: Consider the following statement and conclusions which can be drawn from it. Choose the correct conclusion. Statement: In starting a loaded card, one has to push harder than to keep it moving. Conclusions : (UP PCS (mains) 2013)

question-consider-the-following-statement-and-conclusions-which-can-be-drawn-from-it-choose-the-correct-conclusion-statement-in-starting-a-loaded-card-one-has-to-push-harder-than-to-keep-it-moving-conclusions-up-pcs-mains-2013

Question: The rain drops are spherical because- ( UP PCS (pre) 2005 )

question-the-rain-drops-are-spherical-because-up-pcs-pre-2005

Question: Spherical form of raindrop is due to- ( Chhattisgarh PCS (pre) 2003 )

question-spherical-form-of-raindrop-is-due-to-chhattisgarh-pcs-pre-2003

Question: The tendency of a liquid drop to contract and occupy minimum area is due to : ( IAS (pre) 1997 )

question-the-tendency-of-a-liquid-drop-to-contract-and-occupy-minimum-area-is-due-to-ias-pre-1997

Question: A drop of water is spherical is shape. This is due to : ( Utt Lower Sub. (pre) 2010 )

question-a-drop-of-water-is-spherical-is-shape-this-is-due-to-utt-lower-sub-pre-2010

Question: While travelling by plane, the ink of the pen starts to come out- ( UP PCS ( Pre) 1992 )

question-while-travelling-by-plane-the-ink-of-the-pen-starts-to-come-out-up-pcs-pre-1992

Question: When an air buddle at the bottom o lake rises to the top, it will - ( IAS (pre) 1996 )

question-when-an-air-buddle-at-the-bottom-o-lake-rises-to-the-top-it-will-ias-pre-1996

Question: In a capillary tube a fluid rises more as compared to water, it is due to : ( RAS/RTS (pre) 2007 )

question-in-a-capillary-tube-a-fluid-rises-more-as-compared-to-water-it-is-due-to-ras-rts-pre-2007

Question: For which one of the following capillarity is not the only reason ? ( IAS (pre) 1999 )

question-for-which-one-of-the-following-capillarity-is-not-the-only-reason-ias-pre-1999

Question: Kerosene rises in the wick of the stove is due to - ( RAS/RTS (pre) 1997 )

question-kerosene-rises-in-the-wick-of-the-stove-is-due-to-ras-rts-pre-1997

Question:: Four wires of same material and dimensions as mentioned below are stretched by a load of same magnitude separately. Which one of them will be elongated maximum ? ( IAS (pre) 2007 )

question-four-wires-of-same-material-and-dimensions-as-mentioned-below-are-stretched-by-a-load-of-same-magnitude-separately-which-one-of-them-will-be-elongated-maximum-ias-pre-2007

Question: A hydrogen-inflated polythene balloon is released from the surface of the Earth. As the balloon rises to an altitude up in the atmosphere, it will- ( IAs (pre) 2003 )

question-a-hydrogen-inflated-polythene-balloon-is-released-from-the-surface-of-the-earth-as-the-balloon-rises-to-an-altitude-up-in-the-atmosphere-it-will-ias-pre-2003

Question: If two bubbles of soap of different diameter come in contact with a tube, then what will happen ? ( RAS/RTS (pre) 2007)

question-if-two-bubbles-of-soap-of-different-diameter-come-in-contact-with-a-tube-then-what-will-happen-ras-rts-pre-2007

Question: Kerosene oil floats on water because- ( Utt Lower Sub. (pre) 2010 )

question-kerosene-oil-floats-on-water-because-utt-lower-sub-pre-2010

Question: What happens when some charge is placed on a soap bubble ? ( UP PCS (pre) 2019 )

question-what-happens-when-some-charge-is-placed-on-a-soap-bubble-up-pcs-pre-2019

Question: Pressure inside a soap bubble is - ( UP PCS (pre) 2014 )

question-pressure-inside-a-soap-bubble-is-up-pcs-pre-2014

Question: In automobile hydraulic brakes work on- ( Jharkhand PCS (pre) 2003 )

question-in-automobile-hydraulic-brakes-work-on-jharkhand-pcs-pre-2003

Question:

question

Question: A sudden fall in barometer reading indicates that the weather will be : ( IAS (pre) 2001 ), UP PCS (pre) 1996 )

question-a-sudden-fall-in-barometer-reading-indicates-that-the-weather-will-be-ias-pre-2001-up-pcs-pre-1996

Question:

question

Question: With the rise of temperature, the viscosity of liquid : ( Utt PCS (pre) 2016 )

question-with-the-rise-of-temperature-the-viscosity-of-liquid-utt-pcs-pre-2016

Question: Which one of the following is most viscous ? ( Utt lower Sub. (pre) 2010 )

question-which-one-of-the-following-is-most-viscous-utt-lower-sub-pre-2010

Question: The highest viscosity among the following is of : (66th BPSC (pre) 2020 )

question-the-highest-viscosity-among-the-following-is-of-66th-bpsc-pre-2020

Question: The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. Why ? ( IAS (pre) 2011 )

question-the-surface-of-a-lake-is-frozen-in-severe-winter-but-the-water-at-its-bottom-is-still-liquid-why-ias-pre-2011

Question: Assertion (A) : With the increase of temperature, the viscosity of glycerine increase. Reason (R) : Rise of temperature increase kinetic energy of molecules. ( IAS (pre) 2002 )

question-assertion-a-with-the-increase-of-temperature-the-viscosity-of-glycerine-increase-reason-r-rise-of-temperature-increase-kinetic-energy-of-molecules-ias-pre-2002

Question: In cold weather, aquatic animals survive even when water at the top layer of the lake freezes into Ice because- ( UP PCS ( pre ) 2005 )

question-in-cold-weather-aquatic-animals-survive-even-when-water-at-the-top-layer-of-the-lake-freezes-into-ice-because-up-pcs-pre-2005

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Question:

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Question: A needle sinks in water whereas a ship made of iron floats on it because : ( UP Lower Sub. (Spl.) (pre) 2004 )

question-a-needle-sinks-in-water-whereas-a-ship-made-of-iron-floats-on-it-because-up-lower-sub-spl-pre-2004

Question: Why does an iron nail float on mercury while it sinks in water ? ( UP PCS (pre) 1994 )

question-why-does-an-iron-nail-float-on-mercury-while-it-sinks-in-water-up-pcs-pre-1994

Question: What change will the volume of water show if the temperature is lowered from 9 degree C to 3 degree C : ( UP PCS (pre) 1997)

question-what-change-will-the-volume-of-water-show-if-the-temperature-is-lowered-from-9-degree-c-to-3-degree-c-up-pcs-pre-1997

Question:

question

Question: The maximum density of water is at : ( UP PCS (mains) 2015 )

question-the-maximum-density-of-water-is-at-up-pcs-mains-2015

Question: When water is heated from 0 degree C to 10 degree C. It's volume : ( IAS (pre) 2001 )

question-when-water-is-heated-from-0-degree-c-to-10-degree-c-it-s-volume-ias-pre-2001

Question: Increasing the amount of a substance does not change its - ( UP PCS (pre) 1992 )

question-increasing-the-amount-of-a-substance-does-not-change-its-up-pcs-pre-1992

Question: What is the law in which under the same conditions of temperature and pressure, equal volumes of all gases contain equal number of molecules ? ( 67th BPSC (pre) (Re-Exam) 2022 )

question-what-is-the-law-in-which-under-the-same-conditions-of-temperature-and-pressure-equal-volumes-of-all-gases-contain-equal-number-of-molecules-67th-bpsc-pre-re-exam-2022

Question: Fish can survive in a frozen lake because- ( Jharkhand PCS (pre) 2010 ), UP PSC (GIC) 2010 )

question-fish-can-survive-in-a-frozen-lake-because-jharkhand-pcs-pre-2010-up-psc-gic-2010

Question: An iron needle floats on the surface of water due to- ( UP PCS (mains) 2012 )

question-an-iron-needle-floats-on-the-surface-of-water-due-to-up-pcs-mains-2012

Question: Assertion (A) : An iron ball floats on mercury but gets immersed in water. Reason (R) : The specific gravity of iron is more than that of mercury. ( IAS (pre) 2002 )