WAEC Chemistry 2019 Objective — Question 3
Question 3 of 50 from the West African Examinations Council (WAEC) Chemistry 2019 Objective paper, with the correct answer and a full explanation.
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Which of the following metals reacts slowly with cold water?
- A. IronCorrect
- B. Silver
- C. Calcium
- D. Potassium
Explanation
Iron reacts only slowly with cold water (it reacts readily only with steam when hot); silver does not react at all, while calcium and potassium react vigorously with cold water.
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