Post Utme Abu 2019 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2019 Post Utme Abu Chemistry examination.

Post Utme Abu 2019 Chemistry Objective / Multiple Choice
Question 21 POST_UTME_ABU • 2019 • CHEMISTRY • objective

A 3.00 g sample of a metal oxide is heated in a crucible until it decomposes completely. The mass of the metal obtained is 1.50 g. Calculate the percentage of metal in the original sample.

Answer Options

A. 30.0%
B. 40.0%
Correct Answer C. 50.0%
D. 60.0%
Correct Answer
C
Correct Option:
50.0%

About This Question

This is Post Utme Abu 2019 Chemistry Question 21. It is one of the objective questions from the 2019 Post Utme Abu Chemistry examination.

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