WAEC Chemistry 2020 Objective — Question 9
Question 9 of 50 from the West African Examinations Council (WAEC) Chemistry 2020 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. CalciumCorrect
- B. Silver
- C. Iron
- D. Potassium
Explanation
Potassium reacts readily with cold water; Calcium reacts slowly with cold water; Iron reacts, when hot, with steam; Silver shows no appreciable reaction with water.
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