MCQOPTIONS
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| 1. |
Assertion (A): Synthetic detergents can lather well in hard water.Reason (R): Synthetic detergents form soluble calcium and magnesium salts with hard water. |
| A. | Both A and R are true and R is the correct explanation of A |
| B. | Both A and R are true but R is NOT the correct explanation of A |
| C. | A is true but R is false |
| D. | A is false but R is true |
| Answer» B. Both A and R are true but R is NOT the correct explanation of A | |