WAEC Chemistry 2019 Objective — Question 16
Question 16 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 properties of a good primary standard include the following except
- A. high molecular mass
- B. low molecular massCorrect
- C. high degree of purity
- D. readily available
Explanation
A good primary standard should have a HIGH molecular mass (to reduce weighing error), so 'low molecular mass' is the property that does NOT apply.
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