Post Utme Igbinedion University 2021 Chemistry Question 8

Practice objective / multiple choice question 8 from the 2021 Post Utme Igbinedion University Chemistry examination.

Post Utme Igbinedion University 2021 Chemistry Objective / Multiple Choice
Question 8 POST_UTME_IGBINEDION_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

A. 50 g
B. 75 g
Correct Answer C. 87.5 g
D. 100 g
Correct Answer
C
Correct Option:
87.5 g

About This Question

This is Post Utme Igbinedion University 2021 Chemistry Question 8. It is one of the objective questions from the 2021 Post Utme Igbinedion University Chemistry examination.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support