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Non Metals and Their Compounds

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  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 ?
    1. 1 and 3
    2. 2 and 3
    3. 1, 2 and 4
    4. 1, 2, 3 and 4
Correct Option: B

NA


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