Post Utme Abu 2019 Chemistry Question 24

Practice objective / multiple choice question 24 from the 2019 Post Utme Abu Chemistry examination.

Post Utme Abu 2019 Chemistry Objective / Multiple Choice
Question 24 POST_UTME_ABU • 2019 • CHEMISTRY • objective

A 1.00 g sample of a metal is heated in a crucible until it decomposes completely. The mass of the metal oxide obtained is 1.50 g. What is the percentage of oxygen in the original sample?

Answer Options

A. 20.0%
B. 30.0%
Correct Answer C. 40.0%
D. 50.0%
Correct Answer
C
Correct Option:
40.0%

About This Question

This is Post Utme Abu 2019 Chemistry Question 24. It is one of the objective questions from the 2019 Post Utme Abu Chemistry examination.

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