Using equation of reaction mention 4 methods of preparation of hydrogen

Question

asked Sep 23, 2021 195k views

1 Answer

Jasonmit · Answer 1 · 2021-09-29T22:22:04+0000

Step-by-step explanation:

1. Displacement of hydrogen from water by using metal

2. Electrolysis of water using the apparatus known as the HOFMAN VOLTAMETER

3. Cracking of petroleum

4. Action of steam on hot coke