NEET Chemistry Hydrogen Questions Solved


A sample of hard water was found to contain 68 ppm of CaSO4 and 19 ppm of MgCl2. Its total hardness is –

(A) 70 ppm                             

(B) 50 ppm

(C) 20 ppm                             

(D) 100 ppm

Concept Videos :-

#3 | Hard & Soft Water

Concept Questions :-

Hard & Soft Water
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