Post Utme Caleb University 2022 Chemistry Question 19

Practice objective / multiple choice question 19 from the 2022 Post Utme Caleb University Chemistry examination.

Post Utme Caleb University 2022 Chemistry Objective / Multiple Choice
Question 19 POST_UTME_CALEB_UNIVERSITY • 2022 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.00 days. If 100.0 mg of the subs\tance initially exists, calculate the amount of the subs\tance remaining after 20.0 days.

Answer Options

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

About This Question

This is Post Utme Caleb University 2022 Chemistry Question 19. It is one of the objective questions from the 2022 Post Utme Caleb University Chemistry examination.

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