Post Utme Bells University 2025 Chemistry Question 23

Practice objective / multiple choice question 23 from the 2025 Post Utme Bells University Chemistry examination.

Post Utme Bells University 2025 Chemistry Objective / Multiple Choice
Question 23 POST_UTME_BELLS_UNIVERSITY • 2025 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5 years. If 100 g of the subs\tance is initially present, what is the amount of the subs\tance remaining after 10 years?

Answer Options

A. 50 g
B. 25 g
Correct Answer C. 12.5 g
D. 6.25 g
Correct Answer
C
Correct Option:
12.5 g

About This Question

This is Post Utme Bells University 2025 Chemistry Question 23. It is one of the objective questions from the 2025 Post Utme Bells 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