Question Detail

What is laughing gas ?

nitrous oxide
nitric oxide
nitrogen oxide
nitrogen peroxide

Answer: Option A

Similar Questions :

1. The most malleable metal is

platinum
silver
gold
iron

Answer: Option C

2. The metal used to recover copper from a solution of copper sulphate is ?

Na
Ag
Hg
Fe

Answer: Option D

3. The chemical used as a fixer in photography is ?

sodium thiosulphate
sodium sulphate
borax
ammonium sulphate

Answer: Option A

4. Biogas majorly contains ?

Ethane
Methane
Hydrogen
CO

Answer: Option B

5. The most abundant element in the earth's crust is ?

Aluminium
Nitrogen
Silicon
Oxygen

Answer: Option D

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