Physical Chemistry : Miscellaneous

06 Physical Chemistry : Miscellaneous

Which one of the following will have the largest number of atoms?

which-one-of-the-following-will-have-the-largest-number-of-atoms
For welding a mixture of oxygen and ________ is brunt.

for-welding-a-mixture-of-oxygen-and-is-brunt
Which of the following mixture is homogeneous?

which-of-the-following-mixture-is-homogeneous
Which one of the following does not have a melting point?

which-one-of-the-following-does-not-have-a-melting-point
Which one of the following laws explains the formation of carbon mono oxide and carbon dioxide from carbon and oxygen?

which-one-of-the-following-laws-explains-the-formation-of-carbon-mono-oxide-and-carbon-dioxide-from-carbon-and-oxygen
Consider the following statements. Equivalent weight of the compound is the weight of it that combines with or displaces directly (1)1,008 part by weight of hydrogen (2).16 parts by weight of nitrogen (3). 35.45 part by weight of chlorine Which pf the given statement given above are correct?

consider-the-following-statements-equivalent-weight-of-the-compound-is-the-weight-of-it-that-combines-with-or-displaces-directly-1-1-008-part-by-weight-of-hydrogen-2-16-parts-by-weight-of-nitrogen-3-35-45-part-by-weight-of-chlorine-which-pf-the-given-statement-given-above-are-correct
Which one of the element is poorest conductor of heat?

which-one-of-the-element-is-poorest-conductor-of-heat
An example of physical change —

an-example-of-physical-change
Change of water into the vapour is called

change-of-water-into-the-vapour-is-called
Which of the following is/are the example/examples of chemical change? 1. Crystallization of sodium chloride 2. Melting of ice 3. Souring of milk Select the correct answer using the code given below.

which-of-the-following-isare-the-exampleexamples-of-chemical-change-1-crystallization-of-sodium-chloride-2-melting-of-ice-3-souring-of-milk-select-the-correct-answer-using-the-code-given-below
Which of the following is an example of chemical change—

which-of-the-following-is-an-example-of-chemical-change
Assertion (A) : A chemical reaction becomes faster at a higher temperature. Reason (R) : At higher temperature, molecular motion becomes more rapid.

assertion-a-a-chemical-reaction-becomes-faster-at-a-higher-temperature-reason-r-at-higher-temperature-molecular-motion-becomes-more-rapid
Phosphatase test is used for the analysis of :

phosphatase-test-is-used-for-the-analysis-of
Which of the following is NOT correctly matched?

which-of-the-following-is-not-correctly-matched
Pasteurization is related to :

pasteurization-is-related-to
Pasteurization is a process by which —

pasteurization-is-a-process-by-which
What form of energy is produced in the decomposition of water?

what-form-of-energy-is-produced-in-the-decomposition-of-water
Because of impurities the boiling point of a liquid —

because-of-impurities-the-boiling-point-of-a-liquid
Give a thought to these statements : Statement (A) : Temperature below 0°C is achieved by the mixture of salt and ice. Reason (R) : Salt increases the freezing point of ice. In the context of above statements which one of the following is correct:

give-a-thought-to-these-statements-statement-a-temperature-below-0c-is-achieved-by-the-mixture-of-salt-and-ice-reason-r-salt-increases-the-freezing-point-of-ice-in-the-context-of-above-statements-which-one-of-the-following-is-correct
Consider the following statements : 1. Addition of salt to pure water increases the boiling point of water and decreases the freezing point of water. 2. When methyl alcohol is added to water, boiling point of water decreases. Which of the above statements is/are correct?

consider-the-following-statements-1-addition-of-salt-to-pure-water-increases-the-boiling-point-of-water-and-decreases-the-freezing-point-of-water-2-when-methyl-alcohol-is-added-to-water-boiling-point-of-water-decreases-which-of-the-above-statements-isare-correct
Milk is an example of :

milk-is-an-example-of
Which of these is not a colloid :

which-of-these-is-not-a-colloid
Which type of colloidal system is expressed in the fog :

which-type-of-colloidal-system-is-expressed-in-the-fog
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A) : A solution of table salt in a glass of water is homogeneous. Reason (R) : A solution having different compositions throughout is homogeneous. Select the correct answer from the code given below : Code :

given-below-are-two-statements-one-is-labelled-as-assertion-a-and-the-other-as-reason-r-assertion-a-a-solution-of-table-salt-in-a-glass-of-water-is-homogeneous-reason-r-a-solution-having-different-compositions-throughout-is-homogeneous-select-the-correct-answer-from-the-code-given-below-code
If an unsaturated sugar solution is prepared by mixing 100 grams of sugar with half litre of water, which of the following physical quantities will not change?

if-an-unsaturated-sugar-solution-is-prepared-by-mixing-100-grams-of-sugar-with-half-litre-of-water-which-of-the-following-physical-quantities-will-not-change
Which one of the following processes is NOT useful for purification of solid impurities?

which-one-of-the-following-processes-is-not-useful-for-purification-of-solid-impurities
Consider the following statements : 1. During the process of osmosis, the solvent travels from the concentrated solution to the dilute solution. 2. In the reverse osmosis, external pressure is applied to the dilute solution. Which of the statements given above is/are correct?

consider-the-following-statements-1-during-the-process-of-osmosis-the-solvent-travels-from-the-concentrated-solution-to-the-dilute-solution-2-in-the-reverse-osmosis-external-pressure-is-applied-to-the-dilute-solution-which-of-the-statements-given-above-isare-correct
After cutting cucumber if salt is added, then water comes out due to :

after-cutting-cucumber-if-salt-is-added-then-water-comes-out-due-to
Water passes from the soil into the roots by a physical process called :

water-passes-from-the-soil-into-the-roots-by-a-physical-process-called
Example of corrosion is —

example-of-corrosion-is
Match List-I(oxidation number) with List-II(The element) and select the correct answer using the code given Below the list.

match-list-ioxidation-number-with-list-iithe-element-and-select-the-correct-answer-using-the-code-given-below-the-list
A mixture of sand and naphthalene can be separated by :

a-mixture-of-sand-and-naphthalene-can-be-separated-by
The conversion of a solid directly into gas is called as :

the-conversion-of-a-solid-directly-into-gas-is-called-as
A sample of any of the following substances disappears after sometime when exposed to air like camphor, naphthalene or dry ice. This phenomenon is called :

a-sample-of-any-of-the-following-substances-disappears-after-sometime-when-exposed-to-air-like-camphor-naphthalene-or-dry-ice-this-phenomenon-is-called
Process of solid camphor into camphor vapour is called:

process-of-solid-camphor-into-camphor-vapour-is-called
The technique of chromatography is used to —

the-technique-of-chromatography-is-used-to

Physical Chemistry : Miscellaneous

Which one of the following will have the largest number of atoms?

which-one-of-the-following-will-have-the-largest-number-of-atoms

For welding a mixture of oxygen and ________ is brunt.

for-welding-a-mixture-of-oxygen-and-is-brunt

Which of the following mixture is homogeneous?

which-of-the-following-mixture-is-homogeneous

Which one of the following does not have a melting point?

which-one-of-the-following-does-not-have-a-melting-point

Which one of the following laws explains the formation of carbon mono oxide and carbon dioxide from carbon and oxygen?

which-one-of-the-following-laws-explains-the-formation-of-carbon-mono-oxide-and-carbon-dioxide-from-carbon-and-oxygen

Consider the following statements. Equivalent weight of the compound is the weight of it that combines with or displaces directly (1)1,008 part by weight of hydrogen (2).16 parts by weight of nitrogen (3). 35.45 part by weight of chlorine Which pf the given statement given above are correct?

consider-the-following-statements-equivalent-weight-of-the-compound-is-the-weight-of-it-that-combines-with-or-displaces-directly-1-1-008-part-by-weight-of-hydrogen-2-16-parts-by-weight-of-nitrogen-3-35-45-part-by-weight-of-chlorine-which-pf-the-given-statement-given-above-are-correct

Which one of the element is poorest conductor of heat?

which-one-of-the-element-is-poorest-conductor-of-heat

An example of physical change —

an-example-of-physical-change

Change of water into the vapour is called

change-of-water-into-the-vapour-is-called

Which of the following is/are the example/examples of chemical change? 1. Crystallization of sodium chloride 2. Melting of ice 3. Souring of milk Select the correct answer using the code given below.

which-of-the-following-isare-the-exampleexamples-of-chemical-change-1-crystallization-of-sodium-chloride-2-melting-of-ice-3-souring-of-milk-select-the-correct-answer-using-the-code-given-below

Which of the following is an example of chemical change—

which-of-the-following-is-an-example-of-chemical-change

Assertion (A) : A chemical reaction becomes faster at a higher temperature. Reason (R) : At higher temperature, molecular motion becomes more rapid.

assertion-a-a-chemical-reaction-becomes-faster-at-a-higher-temperature-reason-r-at-higher-temperature-molecular-motion-becomes-more-rapid

Phosphatase test is used for the analysis of :

phosphatase-test-is-used-for-the-analysis-of

Which of the following is NOT correctly matched?

which-of-the-following-is-not-correctly-matched

Pasteurization is related to :

pasteurization-is-related-to

Pasteurization is a process by which —

pasteurization-is-a-process-by-which

What form of energy is produced in the decomposition of water?

what-form-of-energy-is-produced-in-the-decomposition-of-water

Because of impurities the boiling point of a liquid —

because-of-impurities-the-boiling-point-of-a-liquid

Give a thought to these statements : Statement (A) : Temperature below 0°C is achieved by the mixture of salt and ice. Reason (R) : Salt increases the freezing point of ice. In the context of above statements which one of the following is correct:

give-a-thought-to-these-statements-statement-a-temperature-below-0c-is-achieved-by-the-mixture-of-salt-and-ice-reason-r-salt-increases-the-freezing-point-of-ice-in-the-context-of-above-statements-which-one-of-the-following-is-correct

Consider the following statements : 1. Addition of salt to pure water increases the boiling point of water and decreases the freezing point of water. 2. When methyl alcohol is added to water, boiling point of water decreases. Which of the above statements is/are correct?

consider-the-following-statements-1-addition-of-salt-to-pure-water-increases-the-boiling-point-of-water-and-decreases-the-freezing-point-of-water-2-when-methyl-alcohol-is-added-to-water-boiling-point-of-water-decreases-which-of-the-above-statements-isare-correct

Milk is an example of :

milk-is-an-example-of

Which of these is not a colloid :

which-of-these-is-not-a-colloid

Which type of colloidal system is expressed in the fog :

which-type-of-colloidal-system-is-expressed-in-the-fog

given-below-are-two-statements-one-is-labelled-as-assertion-a-and-the-other-as-reason-r-assertion-a-a-solution-of-table-salt-in-a-glass-of-water-is-homogeneous-reason-r-a-solution-having-different-compositions-throughout-is-homogeneous-select-the-correct-answer-from-the-code-given-below-code

If an unsaturated sugar solution is prepared by mixing 100 grams of sugar with half litre of water, which of the following physical quantities will not change?

if-an-unsaturated-sugar-solution-is-prepared-by-mixing-100-grams-of-sugar-with-half-litre-of-water-which-of-the-following-physical-quantities-will-not-change

Which one of the following processes is NOT useful for purification of solid impurities?

which-one-of-the-following-processes-is-not-useful-for-purification-of-solid-impurities

Consider the following statements : 1. During the process of osmosis, the solvent travels from the concentrated solution to the dilute solution. 2. In the reverse osmosis, external pressure is applied to the dilute solution. Which of the statements given above is/are correct?

consider-the-following-statements-1-during-the-process-of-osmosis-the-solvent-travels-from-the-concentrated-solution-to-the-dilute-solution-2-in-the-reverse-osmosis-external-pressure-is-applied-to-the-dilute-solution-which-of-the-statements-given-above-isare-correct

After cutting cucumber if salt is added, then water comes out due to :

after-cutting-cucumber-if-salt-is-added-then-water-comes-out-due-to

Water passes from the soil into the roots by a physical process called :

water-passes-from-the-soil-into-the-roots-by-a-physical-process-called

Example of corrosion is —

example-of-corrosion-is

Match List-I(oxidation number) with List-II(The element) and select the correct answer using the code given Below the list.

match-list-ioxidation-number-with-list-iithe-element-and-select-the-correct-answer-using-the-code-given-below-the-list

A mixture of sand and naphthalene can be separated by :

a-mixture-of-sand-and-naphthalene-can-be-separated-by

The conversion of a solid directly into gas is called as :

the-conversion-of-a-solid-directly-into-gas-is-called-as

A sample of any of the following substances disappears after sometime when exposed to air like camphor, naphthalene or dry ice. This phenomenon is called :

a-sample-of-any-of-the-following-substances-disappears-after-sometime-when-exposed-to-air-like-camphor-naphthalene-or-dry-ice-this-phenomenon-is-called

Process of solid camphor into camphor vapour is called:

process-of-solid-camphor-into-camphor-vapour-is-called

The technique of chromatography is used to —

the-technique-of-chromatography-is-used-to