Question

n
S
1. The acid
[dil.H2SO4, dil. HNO3, dil. HCl) is not used in the laboratory
preparation of hydrogen, using zinc and an acid.
2. In Bosch process the catalytic reduction of steam to hydrogen is carried out by
[CO2, CO, C]
3. A foul smelling gas formed when hydrogen reacts with a molten non-metal,
is
[hydrogen chloride, hydrogen sulphide, ammonia].
4. The product formed on combustion of hydrogen in air is
[water gas, water, producer gas].
5. The gas which has now replaced hydrogen in air balloons is [argon, helium, neon).​

Answer 1

Answer:

n

S

1. The acid

[dil.H2SO4, dil. HNO3, dil. HCl) is not used in the laboratory

preparation of hydrogen, using zinc and an acid.

2. In Bosch process the catalytic reduction of steam to hydrogen is carried out by

[CO2, CO, C]

3. A foul smelling gas formed when hydrogen reacts with a molten non-metal,

is

[hydrogen chloride, hydrogen sulphide, ammonia].

4. The product formed on combustion of hydrogen in air is

[water gas, water, producer gas].

5. The gas which has now replaced hydrogen in air balloons is [argon, helium, neon).