If hardness level of water is 50-150 mg/L, the water is defined as –
Correct Answer: Moderately hard
Description: Ans. is 'b' i.e., Moderately hard Classification of hardness in waterClassificationLevel of hardness (mEq./litre)a) Soft waterb) Moderately hardc) Hard waterd) Very hard waterLess than 1 (< 50 mg/L)1 - 3 (50 - 150 mg/L)3 - 6 (150 - 300 mg/L)Over 6 (> 300 mg/L)
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