Post Utme Madonna University 2020 Chemistry Question 33

Practice objective / multiple choice question 33 from the 2020 Post Utme Madonna University Chemistry examination.

Post Utme Madonna University 2020 Chemistry Objective / Multiple Choice
Question 33 POST_UTME_MADONNA_UNIVERSITY • 2020 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5 years. If 100 g of the subs\tance is present initially, how much will be left 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 Madonna University 2020 Chemistry Question 33. It is one of the objective questions from the 2020 Post Utme Madonna 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