Q.

Select the incorrect statement from the following option.

A. the taste of hard water is better than soft water
B. the dissolved calcium in hard water can help to produce strong teeth
C. hard water coats the lead piping with a layer of insoluble calcium carbonate which prevents poisonous lead dissolving in water
D. boiler feed water should also be hard in nature
Answer» D. boiler feed water should also be hard in nature
Explanation: boiler feed water should be free from hardness otherwise explosion may occur. all the other options are correct. the taste of hard water is better than soft water and dissolved calcium in hard water can help to produce strong teeth. hard water coats the
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