Post Utme Uniosun 2019 Chemistry Question 3

Practice objective / multiple choice question 3 from the 2019 Post Utme Uniosun Chemistry examination.

Post Utme Uniosun 2019 Chemistry Objective / Multiple Choice

Question 3 POST_UTME_UNIOSUN • 2019 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.0 days. If 100 g of the subs\tance initially exists, how much will remain after 20 days?

Answer Options

A. 12.5 g

Correct Answer B. 25.0 g

C. 37.5 g

D. 50.0 g

Correct Answer

Correct Option:

25.0 g

About This Question

This is Post Utme Uniosun 2019 Chemistry Question 3. It is one of the objective questions from the 2019 Post Utme Uniosun Chemistry examination.

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