Question Detail

What is the hardest form of carbon ?

coke
graphite
charcoal
diamond

Answer: Option D

Similar Questions :

1. Ozone is :

Non-magnetic
Paramagnetic
Ferromagnetic
Diamagnetic

Answer: Option D

2. The metallurgical process in which a metal is obtained in a fused state is called ?

roasting
calcinations
smelting
froth floatation

Answer: Option C

3. The single acid which dissolves gold is ?

Aqua regia
Hydrochloric acid
Nitric acid
Selenic acid

Answer: Option A

4. Bleaching action of chlorine is by

decomposition
hydrolysis
reduction
oxidation

Answer: Option A

5. The luster of a metal is due to :

high polishing
high density
chemical inertness
presence of free electrons

Answer: Option D

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