Question Detail

All noble gases are ?

colourless
colourless
colourless and odourless
colourless and but have odour

Answer: Option C

Similar Questions :

1. What is extracted from Bauxite ?

Mica
Aluminium
Copper
Tin

Answer: Option B

2. The metal that is used as a catalyst in the hydrogenation of oils is ?

Pb
Ni
Cu
Pt

Answer: Option B

3. Bleaching action of chlorine is by

decomposition
hydrolysis
reduction
oxidation

Answer: Option A

4. Which element found in all organic compounds ?

carbon
nitrogen
calcium
none of them

Answer: Option A

5. Human bone does not contain

calcium
carbon
oxygen
phosphorous

Answer: Option C

Explanation:

Human bone contains calcium, carbon, phosphorous.

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