arsheyraj0 arsheyraj0

20-01-2020
Chemistry

contestada

a) Suggest any three methods for the preparation of H2 gas by selecting suitable substance given below.
Na, Zn, CaH2, H2O, Al, NaOH, HCl

Respuesta :

Eduard22sly Eduard22sly

20-01-2020

Answer:

1. Action of Zn on HCl

2. Action of Na on cold H2O

3. Action of aluminium on NaOH

Explanation:

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