Question

Q.4 Select the correct answer from the choice in bracket to complete each sentence.
- [dil.H 504, dil. HNO3, dil. HCl] is not used in the laboratory
2. In Bosch process the catalytic reduction of steam to hydrogen is carried out by
3. A foul smelling gas formed when hydrogen reacts with a molten non-metal,
- [hydrogen chloride, hydrogen sulphide, ammonia).
4. The product formed on combustion of hydrogen in air is
5. The metallic com
reacts with steam.
(51
1. The acid
preparation of hydrogen, using zinc and an acid.
is
[argon, helium, neon).
(water gas, water, producer gas).
5. The gas which has now replaced hydrogen in air balloons is
​

Answer 1

Answer:

53 is n9 swxu sand chemicals