Post Utme Achievers University 2020 Chemistry Question 33

Practice objective / multiple choice question 33 from the 2020 Post Utme Achievers University Chemistry examination.

Post Utme Achievers University 2020 Chemistry Objective / Multiple Choice
Question 33 POST_UTME_ACHIEVERS_UNIVERSITY • 2020 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.00 days. If 100.0 mg of the subs\tance is present initially, how much will remain after 20.0 days?

Answer Options

A. 12.5 mg
Correct Answer B. 25.0 mg
C. 50.0 mg
D. 100.0 mg
Correct Answer
B
Correct Option:
25.0 mg

About This Question

This is Post Utme Achievers University 2020 Chemistry Question 33. It is one of the objective questions from the 2020 Post Utme Achievers University Chemistry examination.

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