Waec 2022 Chemistry Question 17

Practice objective / multiple choice question 17 from the 2022 Waec Chemistry examination.

Waec 2022 Chemistry Objective / Multiple Choice 2 Difficulty

Question 17 WAEC • 2022 • CHEMISTRY • objective

A white precipitate was formed when \( \mathrm{BaCl}_{2(aq)} \) was added to an aqueous solution of a salt X. The precipitate dissolved in dilute HCl with rapid effervescence. Salt \( extbf{X} \) is likely to contain.

A. \( \mathrm{SO}_{4}^{2-} \) ions.

B. \( \mathrm{SO}_{3}^{2-} \) ions.

C. \( \mathrm{NO}_{3}^{-} \) ions.

Correct Answer D. \( \mathrm{CO}_{3}^{2-} \) ions.

Correct Answer

Correct Option:

\( \mathrm{CO}_{3}^{2-} \) ions.

This is Waec 2022 Chemistry Question 17. It is one of the objective questions from the 2022 Waec Chemistry examination.

Difficulty level: 2 .

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