Post Utme Ims U 2017 Chemistry Question 30

Practice objective / multiple choice question 30 from the 2017 Post Utme Ims U Chemistry examination.

Post Utme Ims U 2017 Chemistry Objective / Multiple Choice
Question 30 POST_UTME_IMS_U • 2017 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.0 years. If 100 grams of the subs\tance are present initially, what is the amount of the subs\tance remaining after 10 years?

Answer Options

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

About This Question

This is Post Utme Ims U 2017 Chemistry Question 30. It is one of the objective questions from the 2017 Post Utme Ims U Chemistry examination.

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