Post Utme Esut 2018 Chemistry Question 33

Practice objective / multiple choice question 33 from the 2018 Post Utme Esut Chemistry examination.

Post Utme Esut 2018 Chemistry Objective / Multiple Choice
Question 33 POST_UTME_ESUT • 2018 • CHEMISTRY • objective

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

Answer Options

Correct Answer A. 25 g
B. 50 g
C. 75 g
D. 100 g
Correct Answer
A
Correct Option:
25 g

About This Question

This is Post Utme Esut 2018 Chemistry Question 33. It is one of the objective questions from the 2018 Post Utme Esut Chemistry examination.

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