Chemistry 2014 WAEC Past Questions

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The enzyme that catalyses the conversion of glucose te ethanol and carbon (IV) oxide is

A. diastase
B. maltase
C. ptyalin
D. zymase

View Answer & Discuss WAEC 2014

A colourless hydrocarbon with a sweet smell undergoes substitution reaction. The hydrocarbon is likely to be

A. alkanol
B. benzene
C. ester
D. methane

View Answer & Discuss (6) WAEC 2014

The liquid hydrocarbon likely to be found in the fraction of crude oil used for domestic cooking is?

A. C₃H₈
B. C ₅H ₁₂
C. C₁₃H₂₈
D. C₂₀H₄₂

View Answer & Discuss (7) WAEC 2014

Consider the reaction represented by the following equation: C₂H_4(g)
+ 30_2(g) → 2CO_2(g) + 2H₂O_(g)How many moles of ethene would be burnt to produce 0.1 mole of water?

A. 0.05 mole
B. 0.10 mole
C. 0.20 mole
D. 2.00 moles

View Answer & Discuss (4) WAEC 2014

Which of the following organic compounds could be represented by the empirical formula CH₂O?

A. Ethanal
B. Ethane
C. Ethanol
D. Ethanoic acid

View Answer & Discuss (9) WAEC 2014

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