Write the uses of dihydrogen gas:
Uses of dihydrogen gas:
i. As a reactant in the production of ammonia by the Haber process.
ii. In the hydrogenation reaction of the preparation of vegetable ghee from vegetable oils.
iii. In welding metals.
iv. In oxyhydrogen flame for cutting metals.
v. In industrial production of methanol and hydrochloric acid.
vi. As rocket fuel.