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Jamb Chemistry 2018 Past Questions and Answers

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Jamb 2018 Chemistry Past Questions

Question 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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