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Sunday, 08 March 2026
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The furring of kettles and boilers are caused by ____________

The furring of kettles and boilers are caused by ____________
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • 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.

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