JAMB Biology 2015 Objective — Question 35

Question 35 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2015 Objective paper, with the correct answer and a full explanation.

The compound of calcium used to make refractory furnace linings is

A. calcium oxideCorrect
B. calcium trioxonitrate(V)
C. calcium hydroxide
D. calcium chloride

Explanation

Calcium oxide (quicklime), due to its extremely high melting point (about 2600°C), is used for making refractory furnace linings.

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