Question Detail

Air is a

compound
colloid
element
mixture

Answer: Option D

Similar Questions :

1. The single acid which dissolves gold is ?

Aqua regia
Hydrochloric acid
Nitric acid
Selenic acid

Answer: Option A

2. The most abundant rare gas in the atmosphere is ?

He
Ne
Ar
Xe

Answer: Option C

3. Alloys made with mercury as one metal are called ?

mixtures
emulsions
solders
amalgams

Answer: Option D

4. What is laughing gas ?

nitrous oxide
nitric oxide
nitrogen oxide
nitrogen peroxide

Answer: Option A

5. The most electronegative element among the following is

sodium
bromine
fluorine
oxygen

Answer: Option C

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