JAMB Chemistry 2013 Objective — Question 20

Question 20 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2013 Objective paper, with the correct answer and a full explanation.

Which of the following compounds is not a salt?

A. sodium trioxocarbonate (IV)
B. zinc chloride
C. aluminium oxideCorrect
D. sodium hydrogen trioxosulphate (IV)

Explanation

Sodium trioxocarbonate(IV), zinc chloride and sodium hydrogen trioxosulphate(IV) are salts, while aluminium oxide (Al2O3) is an amphoteric oxide, not a salt.

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