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WAEC Chemistry 2019 Objective — Question 18

Question 18 of 50 from the West African Examinations Council (WAEC) Chemistry 2019 Objective paper, with the correct answer and a full explanation.

Vinegar is an aqueous solution of

A. hydrochloric acid
B. ethanedioic acid
C. ethanoic acidCorrect
D. hydrofluoric acid

Explanation

Vinegar is a dilute aqueous solution of ethanoic acid (acetic acid, CH3COOH).

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