Post Utme Futa 2022 Chemistry Question 23

Practice objective / multiple choice question 23 from the 2022 Post Utme Futa Chemistry examination.

Post Utme Futa 2022 Chemistry Objective / Multiple Choice
Question 23 POST_UTME_FUTA • 2022 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.0 days. If 100 g of the subs\tance is initially present, calculate the amount of the subs\tance remaining after 20 days.

Answer Options

Correct Answer A. 12.5 g
B. 25.0 g
C. 50.0 g
D. 100 g
Correct Answer
A
Correct Option:
12.5 g

About This Question

This is Post Utme Futa 2022 Chemistry Question 23. It is one of the objective questions from the 2022 Post Utme Futa Chemistry examination.

View More Post Utme Futa 2022 Chemistry Questions More Post Utme Futa Practice Questions Back to Questions

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