1.

One litre of a sample of hard water contains 1 mg of CaCl2 and 1 mg of MgCl2.Then the total hardness in terms of parts of CaCO3 per 108 parts of water by mass is:A .1.954 ppmB .1.260C .0.946D .none of these

Answer» One litre of a sample of hard water contains 1 mg of CaCl2 and 1 mg of MgCl2.Then the total hardness in terms of parts of CaCO3 per 108 parts of water by mass is:
A .
1.954 ppm
B .
1.260
C .
0.946
D .
none of these


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