WAEC Chemistry 2022 Objective — Question 11
Question 11 of 50 from the West African Examinations Council (WAEC) Chemistry 2022 Objective paper, with the correct answer and a full explanation.
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Determine the quantity of electricity used when a current of 0.20 amperes was passed through an electrolytic cell for 60 minutes.
- A. 12 C
- B. 120 C
- C. 360 C
- D. 720 CCorrect
Explanation
Quantity of electricity, Q = It = 0.20A × (60×60)s = 0.20 × 3600 = 720 C.
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