Question Detail

The most abundant rare gas in the atmosphere is ?

He
Ne
Ar
Xe

Answer: Option C

Similar Questions :

1. Oil of vitriol is

nitric acid
sulphuric acid
hydrochloric acid
phosphoric acid

Answer: Option B

2. A catalyst is a substance which

increases the activation energy
increases the rate of reaction and increases the equilibrium concentration of products
changes the equilibrium of a reaction so that the concentration of the product increases
hastens the attainment of equilibrium

Answer: Option D

3. Which element found in all organic compounds ?

carbon
nitrogen
calcium
none of them

Answer: Option A

4. Natural rubber is a polymer derived from ?

ethylene
propylene
isoprene
butadiene

Answer: Option C

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

Na
Ag
Hg
Fe

Answer: Option D

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