Question

2 . Which of the following metal does not displace hydrogen of an acid? (1) Calcim (2) Zinc (3) Copper (4) ​

Answer 1

Answer:

Copper does not displace hydrogen from dilute hydrochloric acid, but zinc does. In the preparation of hydrogen by electrolysis of water - the distilled water used is acidified. In the laboratory preparation of hydrogen from zinc and dilute hydrochloric acid - the zinc used granulated zinc.

Explanation:

hope it helps u

in short words answer is zinc

Answer 2

Answer:

Copper

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