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Jamb 2018 Chemistry Past QuestionsQuestion 1:A given amount of gas occupies 10.0dm5 at 4atm and 273°C. The number of moles of the gas present is [Molar volume of gas at s.t.p = 22.4dm\(^3\)] A. 0.89 mol B. 1.90 mol C. 3.80 mol D. 5.70 mol Question 2:A given amount of gas occupies 10.0dm5 at 4atm and 273°C. The number of moles of the gas present is [Molar volume of gas at s.t.p = 22.4dm\(^3\)] A. 0.89 mol B. 1.90 mol C. 3.80 mol D. 5.70 mol Question 3:According to Charles' law, the volume of a gas becomes zero at A. 0°C B. -100°C C. -273°C D. -373°C Question 4:A substance that is used as a ripening agent for fruits is A. Ethene B. Propane C. Methane D. Butane Question 5:The Sulphide which is insoluble in dilute hydrochloric acid is A. FeS B. CuS C. ZnS D. Na2S |
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