Post Utme Rhema University 2019 Chemistry Question 13

Practice objective / multiple choice question 13 from the 2019 Post Utme Rhema University Chemistry examination.

Post Utme Rhema University 2019 Chemistry Objective / Multiple Choice
Question 13 POST_UTME_RHEMA_UNIVERSITY • 2019 • CHEMISTRY • objective

The half-life of a certain radioactive subs\tance is 5.00 days. If 100. mg of the subs\tance is initially present, how much will remain after 20.0 days?

Answer Options

A. 10.0 mg
Correct Answer B. 20.0 mg
C. 50.0 mg
D. 100 mg
Correct Answer
B
Correct Option:
20.0 mg

About This Question

This is Post Utme Rhema University 2019 Chemistry Question 13. It is one of the objective questions from the 2019 Post Utme Rhema University Chemistry examination.

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