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Chemistry 1980 JAMB Past Questions

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11

Which of the following statements is an exception in the assumptions of the kinetic theory of gases?

  • A. Gases are composed of many elastic particles
  • B. The particles are of negligible size
  • C. The particles are in constant random motion
  • D. The particles are of negligible mass
  • E. The particles collide with each other
View Answer & Discuss (24) JAMB 1980
12

Which of the following statements is true?

  • A. Metals conduct electricity while non-metals do not
  • B. Metals have high density, non-metals have low density
  • C. Metals form basic oxides, non-metals form acidic oxides
  • D. In the electro chemical series, metals are above hydrogen while non-metals are below hydrogen
  • E. Metals lose elections while non-metals gain electron during chemical reactions
View Answer & Discuss (36) JAMB 1980
13
The boiling point of water is higher than that of methanol because?
  • A. water is oxide while methanol is an alcohol
  • B. inter molecular forces in water are stronger than those in methanol
  • C. water is an inorganic compound while methanol is organic
  • D. water is an ionic compound while methanol is a covalent compound
  • E. water is more reactive than methanol
View Answer & Discuss (4) JAMB 1980
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14

Chlorine, bromine and iodine resemble each other in that all?

  • A. dissolve in alkalis
  • B. react violently with hydrogen without heating
  • C. displace each other from solutions of their salts
  • D. are gases
  • E. are liquids
View Answer & Discuss (22) JAMB 1980
15
Element X has a total of 19 electrons and can react with oxygen to form an oxide. Which of the following statements is NOT true of the oxide of the element?
  • A. When exposed to air, it slowy changes to liquid
  • B. its solution in water conducts electricity
  • C. Its solution in water, on evaporationm gives a white solid
  • D. Its solution in water liberates hydroge when in contact with aluminium metal
  • E. Its oxide, when stronlgy heated, regenerates the elements X
View Answer & Discuss (15) JAMB 1980
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