Chemistry - General Knowledge Questions and Answers

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Milk is a

Mixture

Element

Metal

None of these

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Mixture can be

Homogeneous

Heterogeneous

Both A and B

Pure substance

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Which one out of the following helps in burning ?

Oxygen

Carbon monoxide

Nitrogen

Carbon dioxide

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Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure?

Lead

Bromine

Barium

Magnesium

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Which among the following metals provides amphoteric oxide ?

Sodium

Silver

Aluminium

Calcium

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Impure camphor is purified by

Sublimation

Fractional crystallisation

Fractional distillation

Steam distillation

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Iron filings can be separated from a heterogeneous mixture using the technique of :

Sublimation

Magnetization

Sedimentation

Evaporation

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Electric bulbs are filled with :

Nitrogen

Carbon dioxide

Argon

Oxygen

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The most abundant inert gas in the atmosphere is

Helium

Neon

Argon

Krypton