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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 106:
The ration of reactants to products is \(1: 3: 2\) in the reaction represented by the equation below: \(N_{2 \text { igi }}\) + \(3 H _{2(9)} \rightarrow 2 NH _{3(9)}\) which of the following laws is demonstrated by this?
  • A Boyle's law
  • B Law of multiple proportion
  • C Gay Lussac's law
  • D Law of constant composition
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Question 107:
PH of a \(0.0001 M\) acid is ____________
  • A 1
  • B 2
  • C 3
  • D 4
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Question 108:
[image]<br/><br/>How many isomers of the compound above can be obtained?
  • A 5
  • B 4
  • C 3
  • D 2
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Question 109:
Alkanoates are produced from alkanols by ____________
  • A Esterification
  • B Fermentation
  • C Saponification
  • D Oxidation
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Question 110:
Esters are employed in the following except ____________
  • A Making perfumes
  • B Nail vanishe
  • C Making solvent for cellulose trioxonitrate(V)
  • D Making cement
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