Post Utme Noun 2020 Chemistry Question 20
Practice objective / multiple choice question 20 from the 2020 Post Utme Noun Chemistry examination.
The reaction of calcium with water is represented by the equation: Ca(s) + 2H2O(l) → Ca(OH)2(aq) + H2(g). Calculate the volume of hydrogen gas produced at STP when 2.5 g of calcium reacts with excess water.
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This is Post Utme Noun 2020 Chemistry Question 20. It is one of the objective questions from the 2020 Post Utme Noun Chemistry examination.
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