Assertion (A): Synthetic detergents can lather well in hard water.
Reason (R): Synthetic detergents form soluble calcium and magnesium salts with hard water.

Both A and R are true and R is the correct explanation of A

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Both A and R are true but R is not the correct explanation of A

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A is true but R is false

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A is false out R is true

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Solution

The correct option is A Both A and R are true and R is the correct explanation of A
Option: (a)

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Synthetic detergents are more effective in hard water than soaps because their $C a^{+ +}$ and $M g^{+ +}$ salts are water soluble.

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Synthetic detergents are more effective in hard water than soaps because

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