The chemicals used to soften hard water involves the addition of
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- A Insoluble sodium compounds which from soluble solutions of calcium and magesium
- B Solube soudium compounds which from soluble solutions of calcium and magnesium ions
- C Solube sodium compounds which from insoluble precipitates of calcium and magnesium ions
- D Insoluble precipitates of calcium and magnesium ions
Correct Answer: Option C
Explanation:
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