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1. |
The amount of Zn (atomic weight = 65) required to form 224 c.c. of H‚ÇÇ at N.T.P. on treatment with dilute H‚ÇÇSO‚ÇÑ will be __________ gm.# |
A. | 0.065 |
B. | 0.65 |
C. | 6.5 |
D. | 65 |
Answer» C. 6.5 | |