Immaculate17 Immaculate17

23-07-2020
Chemistry

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using equation of reaction mention 4 methods of preparation of hydrogen

Respuesta :

nobleswift nobleswift

24-07-2020

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

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