Questions
Statement-I: Hard water gives good foam with soap.
Statement-II: Permanent Hard water contains one or more of bicarbonates, chlorides and sulphates of Ca2+/Mg2+.
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a
Both statement-I and statement-II are correct
b
Statement-I is correct and statement-II is incorrect
c
Statement-I is incorrect and statement-II is correct
d
Both statement-I and statement-II are incorrect
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Correct option is D
Hard water gives very little or no foam with soap and its hard ness is due to chlorides and sulphates of Ca and Mg.
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