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Q.

Statement-I : Hair washed with hard water looks dull

Statement-II : Insoluble calcium and magnesium soaps adhere to hair as a sticky precipitate.

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a

Both statements I and II are correct.

b

Statement I is correct but statement II is incorrect

c

Statement I is incorrect but statement II is correct

d

Both statements I and II are incorrect.

answer is A.

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Detailed Solution

Calcium soaps and magnesium soaps are insoluble in water and separate as a scum in water. These precipitates adhere to the hair (or) cloth to form a gummy (sticky) mass.

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