Question

Would you be able to check if water is hard by using a detergent?​

Answer 1

Answer:

ya we can If the water make faom then it is not but if water does not make foam then it is hard water

Explanation:

.......

Answer 2

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Detergents are ammonium or sulphonate salts of long chain carboxylic acids. Unlike soap, they do not react with calcium and magnesium ions present in hard water to form scum. ... Therefore, it cannot be used to check whether the water is hard or not.

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