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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 81:
The general formula of alkanones is
  • A RCHO
  • B R\(_2\)CO
  • C RCOOH
  • D RCOOR
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Question 82:
The alkanoic acid found in human sweat is
  • A CH\(_3\)-COOH
  • B CH\(_3\)—CH\(_2\)—COOH
  • C H-COOH
  • D CH\(_3\)
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Question 83:
The elements in the periodic table are listed in order of increasing
  • A Relative atomic number
  • B Atomic mass
  • C Relative isotopic mass
  • D Nuclear charge
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Question 84:
H\(_2\) S\(_{(g)}\) + Cl\(_{2(g)}\) → 2HCl\(_{(g)}\) + S\(_{(g)}\) In the reaction above, the substance that is reduced is
  • A H\(_2\)S
  • B S
  • C HCl
  • D Cl\(_2\)
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Question 85:
Which of the compounds is composed of Al, Si, O and H?
  • A Epson salt
  • B Limestone
  • C Clay
  • D Urea
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