WAEC Chemistry 2019 Objective — Question 37
Question 37 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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In a mixture of gases which do not react chemically together, the pressure of the individual gas is
- A. atmospheric pressure
- B. vapour pressure
- C. total pressure
- D. partial pressureCorrect
Explanation
The pressure exerted by one gas in a mixture of non-reacting gases is called its partial pressure; the sum of all partial pressures gives the total pressure.
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