The chemicals used to soften hard water involves the addi...
The chemicals used to soften hard water involves the addition of
insoluble sodium compounds which from soluble solutions of calcium and magesium
solube soudium compounds which from soluble solutions of calcium and magnesium ions
solube sodium compounds which from insoluble precipitates of calcium and magnesium ions
insoluble precipitates of calcium and magnesium ions
Correct answer is C
No explanation has been provided for this answer.
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