Post Utme Unilag 2023 Chemistry Question 38

Practice objective / multiple choice question 38 from the 2023 Post Utme Unilag Chemistry examination.

Post Utme Unilag 2023 Chemistry Objective / Multiple Choice
Question 38 POST_UTME_UNILAG • 2023 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 10 years. If the initial activity is 100 Bq, what is the activity after 20 years?

Answer Options

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

About This Question

This is Post Utme Unilag 2023 Chemistry Question 38. It is one of the objective questions from the 2023 Post Utme Unilag 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