Post Utme Achievers University 2021 Chemistry Question 38

Practice objective / multiple choice question 38 from the 2021 Post Utme Achievers University Chemistry examination.

Post Utme Achievers University 2021 Chemistry Objective / Multiple Choice
Question 38 POST_UTME_ACHIEVERS_UNIVERSITY • 2021 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 10 years. If the initial amount of the subs\tance is 100 g, what is the amount remaining after 20 years?

Answer Options

Correct Answer A. 12.5 g
B. 25 g
C. 50 g
D. 100 g
Correct Answer
A
Correct Option:
12.5 g

About This Question

This is Post Utme Achievers University 2021 Chemistry Question 38. It is one of the objective questions from the 2021 Post Utme Achievers University Chemistry examination.

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