Post Utme Ui 2020 Chemistry Question 9

Practice objective / multiple choice question 9 from the 2020 Post Utme Ui Chemistry examination.

Post Utme Ui 2020 Chemistry Objective / Multiple Choice
Question 9 POST_UTME_UI • 2020 • CHEMISTRY • objective

A 2.5 g sample of a non-metallic oxide is heated in a stream of CO2 gas. The mass of the oxide decreases by 1.5 g. What is the empirical formula of the oxide?

Answer Options

A. CO
Correct Answer B. CO2
C. C2O
D. C3O2
Correct Answer
B
Correct Option:
CO2

About This Question

This is Post Utme Ui 2020 Chemistry Question 9. It is one of the objective questions from the 2020 Post Utme Ui Chemistry examination.

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