Post Utme Mountain Top University 2017 Chemistry Question 38

Practice objective / multiple choice question 38 from the 2017 Post Utme Mountain Top University Chemistry examination.

Post Utme Mountain Top University 2017 Chemistry Objective / Multiple Choice
Question 38 POST_UTME_MOUNTAIN_TOP_UNIVERSITY • 2017 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5 years. If the initial amount of the subs\tance is 100g, what is the amount remaining after 15 years?

Answer Options

Correct Answer A. 25g
B. 50g
C. 75g
D. 100g
Correct Answer
A
Correct Option:
25g

About This Question

This is Post Utme Mountain Top University 2017 Chemistry Question 38. It is one of the objective questions from the 2017 Post Utme Mountain Top University Chemistry examination.

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