Post Utme Bsu 2019 Chemistry Question 13

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

Post Utme Bsu 2019 Chemistry Objective / Multiple Choice
Question 13 POST_UTME_BSU • 2019 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.00 days. If 100.0 mg of the subs\tance is initially present, 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 Bsu 2019 Chemistry Question 13. It is one of the objective questions from the 2019 Post Utme Bsu Chemistry examination.

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