WAEC Chemistry 2019 Objective — Question 5
Question 5 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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The bleaching action of chlorine is through the process of
- A. hydration
- B. hydrolysis
- C. reduction
- D. oxidationCorrect
Explanation
Chlorine bleaches by oxidation: it forms HOCl in water, which oxidizes coloured substances to colourless ones.
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