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Neco Chemistry Past QuestionsQuestion 111:Which of the following is a component of the car exhaust? A. Aluminium B. Calcium C. Iron D. Zinc E. Lead Question 112:The molecular formula of ethylbutanoate is? A. C[/sub]H[sub]5COOC26 B. C3H[/sub]COOC[sub]2H7 C. C3H7COOC3H7 D. C3H7COOC4H9 E. C3H7COOC2H5 Question 113:The rate of a chemical reaction is NOT affected by one of these factors A. Colour B. Concentration C. Presence of light D. Surface area E. Temperature Question 114:Pipe-borne water is usually chlorinated in order to ____________ A. Coagulate sediments in the water B. Improve taste of the water C. Kill harmful bacteria in the water D. Make it pure E. Remove the hardness in the water Question 115:The planet with the highest number of moon is ____________ A. Earth B. Jupiter C. Uranus D. Pluto E. Venus. |
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