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Metals and Non Metals
04 Metals and Non Metals
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The following metals are arranged in increasing order of their metallic character . Choose the correct option
the-following-metals-are-arranged-in-increasing-order-of-their-metallic-character-choose-the-correct-option
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Oxygen and ozone are
oxygen-and-ozone-are
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Consider the following elements
(1) Copper (2)Gold (3)Platinum (4)Silver
Which of the above elements exits free in nature?
consider-the-following-elements-1-copper-2gold-3platinum-4silver-which-of-the-above-elements-exits-free-in-nature
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Wrought iron is
wrought-iron-is
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What is the purest form of iron
what-is-the-purest-form-of-iron
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Stainless steel contains
stainless-steel-contains
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The formula for haematite is
the-formula-for-haematite-is
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Among the elements having the atomic number 2, 3, 10, 11, 18, 19, 26, 36 and 37, those belonging to the alkalis metal groups are
among-the-elements-having-the-atomic-number-2-3-10-11-18-19-26-36-and-37-those-belonging-to-the-alkalis-metal-groups-are
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Which of the following elements shows the characteristics of both metals and non-metals?
which-of-the-following-elements-shows-the-characteristics-of-both-metals-and-non-metals
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Galena is an ore of
galena-is-an-ore-of
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Cinnabar is an ore of
cinnabar-is-an-ore-of
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Which of the following metals has been used for building boats because it has resistance to corrosion by sea waters?
which-of-the-following-metals-has-been-used-for-building-boats-because-it-has-resistance-to-corrosion-by-sea-waters
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Which method is employed for the concentration of sulphide ore?
which-method-is-employed-for-the-concentration-of-sulphide-ore
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Which of the following metals is used for making the cutting edge of the blades?
which-of-the-following-metals-is-used-for-making-the-cutting-edge-of-the-blades
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The gas used in welding and cutting is
the-gas-used-in-welding-and-cutting-is
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An sulphide ore can be converted into free metal.
an-sulphide-ore-can-be-converted-into-free-metal
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Metal which can be easily cut with a knife
metal-which-can-be-easily-cut-with-a-knife
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German silver is the alloy of
german-silver-is-the-alloy-of
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Which non metal can conduct the electricity?
which-non-metal-can-conduct-the-electricity
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Essential component of an amalgam is
essential-component-of-an-amalgam-is
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When a small piece of dry sodium is put in water, it reacts vigorously to produce
when-a-small-piece-of-dry-sodium-is-put-in-water-it-reacts-vigorously-to-produce
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Iron burns in air to form
iron-burns-in-air-to-form
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Which of the following is a good conductor of electricity?
which-of-the-following-is-a-good-conductor-of-electricity
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Metals have
metals-have
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Metals are
metals-are
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Metals are
metals-are
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A lustrous non-metal is
a-lustrous-non-metal-is
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The process of protecting iron by coating with zinc
the-process-of-protecting-iron-by-coating-with-zinc
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A metal, which exists in liquid state
a-metal-which-exists-in-liquid-state
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Metallurgy is the process of
metallurgy-is-the-process-of
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An amalgam of metal has which other element?
an-amalgam-of-metal-has-which-other-element
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Allotropes have
allotropes-have
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The red or orange coating that forms on the surface of iron when exposed to air and moisture for some time is called
the-red-or-orange-coating-that-forms-on-the-surface-of-iron-when-exposed-to-air-and-moisture-for-some-time-is-called
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Which phosphorous is stored in
which-phosphorous-is-stored-in
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Hydrogen gas is passed through oil in order to
hydrogen-gas-is-passed-through-oil-in-order-to
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The carbon content in steel is
the-carbon-content-in-steel-is
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Non-metals are
non-metals-are
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The main constituents of cement are
the-main-constituents-of-cement-are
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Gold metal is affected by
gold-metal-is-affected-by
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Stainless steel is an alloy of
stainless-steel-is-an-alloy-of
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Brass is an alloy of
brass-is-an-alloy-of
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Magnalium is an alloy of
magnalium-is-an-alloy-of
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Sodium metal should be stored in
sodium-metal-should-be-stored-in
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Aluminium foil is used as a medicine wrapper because
aluminium-foil-is-used-as-a-medicine-wrapper-because
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A non-metal used to make the tip of match stick
a-non-metal-used-to-make-the-tip-of-match-stick
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Horn silver is a/an
horn-silver-is-aan
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For purification of which riietal, liquation method Is used?
for-purification-of-which-riietal-liquation-method-is-used
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Which of the following methods is not used in purification of metals?
which-of-the-following-methods-is-not-used-in-purification-of-metals
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Which of the following methods is suitable for preventing an iron vessel from rusting?
which-of-the-following-methods-is-suitable-for-preventing-an-iron-vessel-from-rusting
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Silver metal becomes black on exposure to air by the coating of
silver-metal-becomes-black-on-exposure-to-air-by-the-coating-of
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Alloys are a homogenous mixture of
alloys-are-a-homogenous-mixture-of
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A non-metal used to preserve food stuffs
a-non-metal-used-to-preserve-food-stuffs
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The non-metal which is hard is
the-non-metal-which-is-hard-is
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Metal which is the best conductor of electricity?
metal-which-is-the-best-conductor-of-electricity
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Metals can be hammered into thin sheets. This property is called
metals-can-be-hammered-into-thin-sheets-this-property-is-called
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An alloy 'Solder' contains
an-alloy-solder-contains
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The non-metal used to treat rubber in the process of vulcanization is
the-non-metal-used-to-treat-rubber-in-the-process-of-vulcanization-is
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The chemical formula for rock salt is
the-chemical-formula-for-rock-salt-is
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Which oil is used as frother in froth-floatation process?
which-oil-is-used-as-frother-in-froth-floatation-process
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The metal which can be extracted from lime stone, marble and chalk is
the-metal-which-can-be-extracted-from-lime-stone-marble-and-chalk-is
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Aluminium is extracted from its bauxite ore by
aluminium-is-extracted-from-its-bauxite-ore-by
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Mercury is used in thermometer because
mercury-is-used-in-thermometer-because
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Metal which does not react even with steam is
metal-which-does-not-react-even-with-steam-is
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Which of the following metals generally occurs in liquid state?
which-of-the-following-metals-generally-occurs-in-liquid-state
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Zn+H₂O(steam)→A +B . In the above equation (A) and (B) are
znh2osteama-b-in-the-above-equation-a-and-b-are
