Post Utme Achievers University 2023 Chemistry Question 27

Practice objective / multiple choice question 27 from the 2023 Post Utme Achievers University Chemistry examination.

Post Utme Achievers University 2023 Chemistry Objective / Multiple Choice
Question 27 POST_UTME_ACHIEVERS_UNIVERSITY • 2023 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5 years. If 100 g of the subs\tance is initially present, what mass of the subs\tance will remain after 15 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 2023 Chemistry Question 27. It is one of the objective questions from the 2023 Post Utme Achievers University Chemistry examination.

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