The furring of kettles is caused by the presence in the w...
The furring of kettles is caused by the presence in the water of?
Calcium tetraoxosulphate (VI)
Calcium hydrogentrioxocarbonate (IV)
Calcium hydroxide
Calcium trioxocarbonate (IV)
Correct answer is D
The furring of kettles or boilers - this is as a result of the decomposition of Ca(HCO3)2 into CaCO3, and thisCaCO3 coats the inside of a kettle or boiler used in heating water containing dissolved Ca(HCO3)2.
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