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Chemistry 2008 Neco Past Questions and Answers

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Chemistry 2008 Neco Past Questions


Question 41 :



The action of zinc on an acid produces ____________

A. Chlorine
B. Hydrogen
C. Nitrogen
D. Sulphur
E. Water vapour.

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Question 42 :



A solution is prepared by dissolving I .96g of H2SO4 in 250 cm3 of its solution. What is the concentration in moles per dm3?

A. 0.008
B. 0.08
C. 0.1
D. 0.8
E. 8.02

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