Post Utme Noun 2019 Chemistry Question 5

Practice objective / multiple choice question 5 from the 2019 Post Utme Noun Chemistry examination.

Post Utme Noun 2019 Chemistry Objective / Multiple Choice
Question 5 POST_UTME_NOUN • 2019 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 10 years. If the initial activity is 1000 Bq, what is the activity after 20 years?

Answer Options

Correct Answer A. 500 Bq
B. 1000 Bq
C. 2000 Bq
D. 5000 Bq
Correct Answer
A
Correct Option:
500 Bq

About This Question

This is Post Utme Noun 2019 Chemistry Question 5. It is one of the objective questions from the 2019 Post Utme Noun Chemistry examination.

View More Post Utme Noun 2019 Chemistry Questions More Post Utme Noun 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