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Neco 2008 Chemistry Past QuestionsQuestion 41:The action of zinc on an acid produces ____________ A. Chlorine B. Hydrogen C. Nitrogen D. Sulphur E. Water vapour. 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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