Post Utme Mountain Top University 2022 Chemistry Question 38

Practice objective / multiple choice question 38 from the 2022 Post Utme Mountain Top University Chemistry examination.

Post Utme Mountain Top University 2022 Chemistry Objective / Multiple Choice
Question 38 POST_UTME_MOUNTAIN_TOP_UNIVERSITY • 2022 • CHEMISTRY • objective

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

Answer Options

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

About This Question

This is Post Utme Mountain Top University 2022 Chemistry Question 38. It is one of the objective questions from the 2022 Post Utme Mountain Top University Chemistry examination.

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