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as-per-indian-standards-bis-for-drinking-water-desirable-limit-for-total-hardness-as-caco3-is

Question

As per Indian Standards (BIS) for drinking water desirable limit for total hardness as CaCO₃ is

A 100 mg/l

B 200 mg/l

C 300 mg/l

D 400 mg/l

Answer & Explanation
Answer:300 mg/l

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