The furring of kettles and boilers are caused by
-
A.
calcium hydroxide -
B.
calcium hydrogen trioxocarbonate (IV) -
C.
calcium trioxocarbonate (IV) -
D.
calcium tetraoxocarbonate -
E.
magnesium tetraoxocarbonate (VI)
Correct Answer: Option C
Explanation
The furring of kettles or boilers – this is as a result of the decomposition of Ca(HCO3)2 into CaCO3, and this coats the inside of a kettle or boiler used in heating water containing dissolved Ca(HCO3)2.