WAEC Chemistry 2022 Objective — Question 19
Question 19 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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Consider the following reaction equation: CaO + SiO2 → CaSiO3. Silicon (IV) oxide is acting as a
- A. base
- B. reducing agent
- C. acidic oxideCorrect
- D. oxidizing agent
Explanation
In this reaction, SiO2 reacts with the basic oxide CaO, meaning SiO2 is acting as an acidic oxide.
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