Post Utme Uniben 2021 Chemistry Question 8
Practice objective / multiple choice question 8 from the 2021 Post Utme Uniben Chemistry examination.
The half-life of a radioactive subs\tance is 5 years. If a sample initially contains 100 g of the subs\tance, how much of the subs\tance will remain after 20 years?
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About This Question
This is Post Utme Uniben 2021 Chemistry Question 8. It is one of the objective questions from the 2021 Post Utme Uniben Chemistry examination.
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