The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P

Question

The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm.

Options:

A . 0.065

B . 0.65

C . 6.5

D . 65

Answer: Option B

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