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1136

Which of the following is used as an 'anti-knock' in automobile engines?

  • A. Tetramethyl silane
  • B. Lead tetra-ethyl
  • C. Glycerol
  • D. n-heptane
View Answer & Discuss (3) JAMB 1986
1137

What reaction takes place when palm-oil is added to potash and foam are observed?

  • A. Neutralization
  • B. Saponification
  • C. Esterification
  • D. Salting-out
View Answer & Discuss (3) JAMB 1986
1138
When ethanol is heated with excess concentrated sulphuric acid, the ethanol is?
  • A. oxidized to ethene
  • B. polymerized to polyethene
  • C. dehydrated to ethene
  • D. dehydrated to ethyne
View Answer & Discuss (2) JAMB 1986
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1139
Which of the following compounds is NOT formed by the action of chlorine on methane?
  • A. CH3CI
  • B. C2H5CI
  • C. CH2CI2
  • D. CHCI3
View Answer & Discuss (5) JAMB 1986
1140
Which of the following substance is a mixture?
  • A. Granulated sugar
  • B. Sea-water
  • C. Sodium chloride
  • D. Iron fillings
View Answer & Discuss (4) JAMB 1986
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