NEET Chemistry Hydrogen Questions Solved


Hardness of water is due to presence of salts of –

(A) Na+ and K+                                  

(B) Ca2+ and Mg2+

(C) Ca2+ and K+                                 

(D) Ca2+ and Na+

Concept Videos :-

#3 | Hard & Soft Water

Concept Questions :-

Hard & Soft Water
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