1.

Consider the following statements. Hard water is not suitable for
1. Drinking
2. Washing clothes with soap
3. Use in boilers
4. Irrigating crops
Which of these statements are correct ?

A. 1 and 3
B. 2 and 3
C. 1, 2 and 4
D. 1, 2, 3 and 4
Answer» C. 1, 2 and 4


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