Post Utme Elizade University 2021 Chemistry Question 6

Practice objective / multiple choice question 6 from the 2021 Post Utme Elizade University Chemistry examination.

Post Utme Elizade University 2021 Chemistry Objective / Multiple Choice
Question 6 POST_UTME_ELIZADE_UNIVERSITY • 2021 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5 days. If 100 mg of the subs\tance is initially present, how much of the subs\tance will remain after 15 days?

Answer Options

Correct Answer A. 12.5 mg
B. 25 mg
C. 50 mg
D. 100 mg
Correct Answer
A
Correct Option:
12.5 mg

About This Question

This is Post Utme Elizade University 2021 Chemistry Question 6. It is one of the objective questions from the 2021 Post Utme Elizade 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