Question Detail

Air contains maximum amount of

oxygen
nitrogen
hydrogen
carbon dioxide

Answer: Option B

Similar Questions :

1. Which of the following elements behave chemically both as a metal and a non metal?

Boron
Carbon
Argon
Mercury

Answer: Option A

2. Homo nuclear molecules contain ?

polar bond
covalent bond
ionic bond
coordinate bond

Answer: Option B

3. Washing soda is ?

sodium sulphite
sodium bicarbonate
sodiun carbonate
sodium biosulphite

Answer: Option C

4. Acid rain is due to air pollution by ?

Carbon dioxide
Carbon monoxide
Methane
Nitrous oxide and Sulphur dioxide

Answer: Option D

5. The aqueous solution of which acids is called Vinegar ?

Acetic acid
Hydrochloric acid
Citric acid
Oxalic acid

Answer: Option A

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