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

asked Feb 14, 2021 195k views

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A) Suggest any three methods for the preparation of H2 gas by selecting suitable substance given below.

Na, Zn, CaH2, H2O, Al, NaOH, HCl

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Answer:

1. Action of Zn on HCl

2. Action of Na on cold H2O

3. Action of aluminium on NaOH

Step-by-step explanation:

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