WAEC Chemistry 2014 Objective — Question 13

Question 13 of 50 from the West African Examinations Council (WAEC) Chemistry 2014 Objective paper, with the correct answer and a full explanation.

An aqueous solution of Na₂CO₃ is

A. acidic
B. alkalineCorrect
C. amphoteric
D. neutral

Explanation

An aqueous solution of Na2CO3 is alkaline due to hydrolysis: Na2CO3 is a salt of a strong base (NaOH) and a weak acid (H2CO3), so the resulting solution is alkaline.

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