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Q. |
The chemical equivalent of MgSO4 salt is |
A. | 10,000 |
B. | 30,000 |
C. | 50,000 |
D. | 70,000 |
Answer» D. 70,000 | |
Explanation: 1 degree clarke = 1 part of caco3 per 70,000 parts of water. it is calculated mathematically. |
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