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1021

Which of the following CANNOT be obtained by fractional distillation of petroleum?

  • A. Ether
  • B. Methane
  • C. Butane
  • D. Ethene
  • E. Hydrogen
View Answer & Discuss (13) JAMB 1982
1022

In the reaction N2(g) + O(g)
↔ 2NO(g) produced i an increase in the total pressure will?

  • A. cause less nitrogen to be produced in the equilibrium mixture
  • B. cause less nitric oxide to be produced in the equilibrium mixture
  • C. cause more nitric oxide to be produced in the equilibrium mixture
  • D. cause more oxygen to be produced in the equilibrium mixture
  • E. have no effect
View Answer & Discuss (14) JAMB 1982
1023
In the chemical reaction A + B \(\to\) C + D, more of D is formed?
  • A. if the concentrated of A is reduced
  • B. if the concentrated of B is reduced
  • C. if the concentrated of C is reduced
  • D. if the concentration of C is increased
  • E. if D is continuously removed from the reaction mixture
View Answer & Discuss (5) JAMB 1982
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1024
1.00 g of the oxide of metal X (atomic mass = 64) gave 0.80 g of the metal when reduced with hydrogen.
The formula of the oxide is?
  • A. X2O
  • B. XO
  • C. XO2
  • D. X2O3
  • E. X3O4
View Answer & Discuss (14) JAMB 1982
1025
When a solution of silver (l) nitrate is saturated with hydrogen sulphide, a black precipitate forms which is?
  • A. H2S
  • B. Ag2S
  • C. PbS
  • D. HNO3
  • E. S
View Answer & Discuss (3) JAMB 1982
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