Question

9.write three uses of hydrogen​

Answer 1

Answer:

Hydrogen uses :

( 1 )commercial fixation of nitrogen from the air in the Haber ammonia process.

( 2 )Hydrogenation of fats and oils.

( 3 )Methanol production, in hydrodealkylation, hydrocracking, and hydrodesulphurization.

Answer 2

Explanation:

it is a highly combustible substance

it is used to make hydrochloric acid

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