The furring of kettles and boilers are caused by
- calcium hydroxide
- calcium hydrogen trioxocarbonate (IV)
-
calcium trioxocarbonate (IV)
- calcium tetraoxocarbonate
- magnesium tetraoxocarbonate (VI)
The correct answer is: 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.