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WAEC Chemistry 2015 Theory — Question 49

Question 49 of 49 from the West African Examinations Council (WAEC) Chemistry 2015 Theory paper, with the correct answer and a full explanation.

5(c)(iv). Write a balanced equation for the process in 5(c)(iii).

Model answer

Ca(HCO₃)₂(aq) →(Δ) CaCO₃(s) + H₂O(l) + CO₂(g).

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