Post Utme Uniport 2024 Chemistry Question 22

Practice objective / multiple choice question 22 from the 2024 Post Utme Uniport Chemistry examination.

Post Utme Uniport 2024 Chemistry Objective / Multiple Choice
Question 22 POST_UTME_UNIPORT • 2024 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 10 years. If 100 g of the subs\tance is present initially, how much will remain after 20 years?

Answer Options

A. 25 g
B. 12.5 g
Correct Answer C. 6.25 g
D. 3.125 g
Correct Answer
C
Correct Option:
6.25 g

About This Question

This is Post Utme Uniport 2024 Chemistry Question 22. It is one of the objective questions from the 2024 Post Utme Uniport Chemistry examination.

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