Post Utme Crawford University 2023 Chemistry Question 6
Practice objective / multiple choice question 6 from the 2023 Post Utme Crawford University Chemistry examination.
A 2.5 g sample of a non-metallic oxide of nitrogen is heated in a stream of hydrogen gas at 1273 K. The resulting gas is passed through a solution of sodium hydroxide, and the volume of the gas collected at room temperature and pressure is 2.5 liters. What is the empirical formula of the oxide?
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About This Question
This is Post Utme Crawford University 2023 Chemistry Question 6. It is one of the objective questions from the 2023 Post Utme Crawford University Chemistry examination.
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