Post Utme Unn 2024 Chemistry Question 18

Practice objective / multiple choice question 18 from the 2024 Post Utme Unn Chemistry examination.

Post Utme Unn 2024 Chemistry Objective / Multiple Choice
Question 18 POST_UTME_UNN • 2024 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5 days. If 100 mg of the subs\tance is present initially, how much will remain after 15 days?

Answer Options

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

About This Question

This is Post Utme Unn 2024 Chemistry Question 18. It is one of the objective questions from the 2024 Post Utme Unn Chemistry examination.

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