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Chemistry Past Questions and Answers

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Chemistry Questions

Question 2531:

Petrol consists mainly of

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A Polymers
B Alkanoates
C Hydrocarbons
D Alktanols
E Alkenes

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Question 2532:

Dehydration of ethanol produces

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A Ethanoic acid
B Propan-1,2,3-triol
C Ethene
D Ethanal
E Methanol

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Question 2533:

When alkanols react with sodium, the ga evolved is

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A Hydrogen
B Oxygen
C Methane
D Ethyne
E Carbon (IV) oxide

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Question 2534:

The products of the reaction between CH<sub style='font-size: smaller;'>3</sub>CH <sub style='font-size: smaller;'>2</sub>COOH and CH<sub style='font-size: smaller;'>3</sub>OH are H <sub style='font-size: smaller;'>2</sub><br/>O and

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A CH <sub style='font-size: smaller;'>3</sub>CH<sub style='font-size: smaller;'>2</sub>COOCH<sub style='font-size: smaller;'>3</sub>
B CH<sub style='font-size: smaller;'>3</sub>CH <sub style='font-size: smaller;'>2</sub>COOCH <sub style='font-size: smaller;'>2</sub>CH <sub style='font-size: smaller;'>3</sub>
C CH<sub style='font-size: smaller;'>3</sub>CH<sub style='font-size: smaller;'>2</sub>CH<sub style='font-size: smaller;'>2</sub>COOH
D CH<sub style='font-size: smaller;'>3</sub>CH<sub style='font-size: smaller;'>2</sub>CH<sub style='font-size: smaller;'>2</sub>OH
E CH<sub style='font-size: smaller;'>3</sub>COOH

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Question 2535:

A positive reaction to Fehling's test indicates the presence of

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A Strach
B Reducing sugars
C Oxidizing agents
D Alkanoic acids
E Alkanols

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