MCQOPTIONS
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| 1. |
Consider the following statements: Hard water is not suitable 1. For drinking 2. For washing clothes with soap 3. For use of boilers 4. For irrigation of crops. Which of the above statements are correct? |
| A. | 1 and 3 |
| B. | 2 and 3 |
| C. | 1,2 and 4 |
| D. | all these |
| Answer» D. all these | |