Chemistry 2002 JAMB Past Questions - Question 22: The furring of kettles is caused by the presence in water of

Correct Answer

B

Explanation

The furring of kettles is typically caused by the presence of minerals, particularly calcium and magnesium ions, in water. When water with high mineral content is heated, these minerals can precipitate out of the water and form solid deposits. This process is commonly referred to as lime scale or scale formation.

The minerals in hard water can accumulate on the heating element and interior surfaces of kettles over time. This buildup can reduce the efficiency of the heating element, leading to increased energy consumption and longer boiling times. Additionally, the presence of scale can affect the taste of the water and may even contribute to the development of bacteria in the deposits.

To address this issue, some people use water softeners or descaling agents to reduce the mineral content in the water or remove existing scale from appliances like kettles. Regular descaling maintenance can help prolong the life of the appliance and ensure it operates efficiently.