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chemistry Practice tests Neco, Jamb, Wascce,SSce, Sat, Gre, Toefel, Gmat Online

Practice chemistry tests question Below by selecting the right option.


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One mole of a hydrocarbon contains 36g of carbon and its vapour density is 20. The structure of the hydrocarbon is




CH3CH = CH2
B


CH3CH2C = CH
C


CH3CH2 CH3
D

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An emulsion may be produced by shaking a detergent solution with




ethanoic acid
B


palm oil
C


water
D

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The products of the combustion of candle wax are




oxygen and water
B


carbon (IV) oxide an
C


carbon(II) oxide and
D

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