

MCQOPTIONS
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1. |
1 gm of hydrogen is found to combine with 80 gms of bromine. 1 gm of calcium (valency 2) combines with 4 gms of bromine. The equivalent weight of calcium is [NCERT 1982] |
A. | 10 |
B. | 20 |
C. | 40 |
D. | 80 |
Answer» C. 40 | |