Post Utme Osustech 2021 Chemistry Question 18
Practice objective / multiple choice question 18 from the 2021 Post Utme Osustech Chemistry examination.
The half-life of a radioactive subs\tance is 10 years. If 100 g of the subs\tance is initially present, how much of the subs\tance will remain after 30 years?
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About This Question
This is Post Utme Osustech 2021 Chemistry Question 18. It is one of the objective questions from the 2021 Post Utme Osustech Chemistry examination.
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