1.

(A) : Temporary hardness can be removed by boiling hard water (R) : On boiling hard water bicarbonates of calcium and magnesium are converted to insoluble carbonates

Answer»

Both A and R are TRUE, and R is CORRECT EXPLANATION of A
Both A and R are true, and R is not the correct explanation of A
A is true but R is false
A is false but R is true

Answer :A


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