WAEC Chemistry 2022 Objective — Question 39
Question 39 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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An oxide has the following properties: I. is a white powder. II. reacts with HCl. III. reacts with NaOH. IV. is insoluble in water. The oxide is
- A. alkaline
- B. amphotericCorrect
- C. acidic
- D. neutral
Explanation
An oxide that reacts with both an acid (HCl) and a base (NaOH) is amphoteric.
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