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Chemistry

Chemistry
Colloids can be purified by

Condensation
Dialysis
Condensation
Condensation

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Chemistry
Indane gas is mixture of

Butane and propane
Butane and oxygen
Butane and hydrogen
Methane and oxygen

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Chemistry
Aspirin is common name of

Salicylic Acid
Methyl Salicylate
Salicylate
Acetyl Salicylic Acid

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Chemistry
Which one of the following organic compound is used to remove stains of iron compounds?

Phthalic acid
Benzoic acid
Cinnamic acid
Oxalic acid

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Chemistry
Among the following, which is always found in free-state in nature?

Silver
Sodium
Gold
Copper

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Chemistry
Smoke is formed due to

Gas dispersed in gas
Gas dispresed in solid
Solid dispersed in gas
Solid dispresed in liquid

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