Post Utme Abu 2019 Chemistry Question 28
Practice objective / multiple choice question 28 from the 2019 Post Utme Abu Chemistry examination.
The half-life of a radioactive subs\tance is 5 years. If 100 g of the subs\tance is initially present, how much of the subs\tance will remain after 15 years?
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About This Question
This is Post Utme Abu 2019 Chemistry Question 28. It is one of the objective questions from the 2019 Post Utme Abu Chemistry examination.
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