WAEC Chemistry 2021 Objective — Question 36
Question 36 of 50 from the West African Examinations Council (WAEC) Chemistry 2021 Objective paper, with the correct answer and a full explanation.
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36. Potassium trioxonitrate (V) can be obtained from its solution by
- A. distillation.
- B. evaporation.
- C. crystallization.Correct
- D. filtration.
Explanation
Potassium trioxonitrate(V) is obtained by crystallization; evaporation to dryness would cause it to decompose thermally.
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