Post Utme Bowen University 2018 Chemistry Question 33

Practice objective / multiple choice question 33 from the 2018 Post Utme Bowen University Chemistry examination.

Post Utme Bowen University 2018 Chemistry Objective / Multiple Choice
Question 33 POST_UTME_BOWEN_UNIVERSITY • 2018 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.30 days. If the initial amount of the subs\tance is 100 mg, what is the amount remaining after 21.5 days?

Answer Options

Correct Answer A. 12.5 mg
B. 25.0 mg
C. 37.5 mg
D. 50.0 mg
Correct Answer
A
Correct Option:
12.5 mg

About This Question

This is Post Utme Bowen University 2018 Chemistry Question 33. It is one of the objective questions from the 2018 Post Utme Bowen University Chemistry examination.

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