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Chemistry 1982 JAMB Past Questions

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1
An acid is said to be weak if?
  • A. its ions are so completely dissociated that they easily drift apart
  • B. the acid is not corrosive
  • C. the acid has low specific gravity
  • D. its ions move very slowly when in solution
  • E. its ions are incompletely dissociated
View Answer & Discuss (3) JAMB 1982
2
Which of the following statements is correct during the electrolysis of a caustic soda solution using platinum electrodes?
  • A. Oxygen gas is given off at the cathode
  • B. Hydrogen gas is given of at the anode
  • C. Sodium metals is deposited at the anode
  • D. Sodium metal is deposited at the cathode
  • E. AAlkalinity at the cathode increases
View Answer & Discuss (17) JAMB 1982
3
An amphoteric oxide is an?
  • A. amorphous oxide of a metal
  • B. amorphous oxide of a non-mental
  • C. oxide that is insoluble in water
  • D. oxide that behaves both as a base as well as an acid
  • E. oxide that loses its oxygen on sublimation
View Answer & Discuss JAMB 1982
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4
Water is poured over a white solid and a colourless neutral gas is evolved which burns with a sooty flame. The white solid is?
  • A. calcium
  • B. calcium oxide
  • C. calcium carbide
  • D. sodium peroxide
  • E. sodium sulphate
View Answer & Discuss (3) JAMB 1982
5
Cotton is almost pure?
  • A. starch
  • B. protein
  • C. animal fibre
  • D. celluose
  • E. mineral fibre
View Answer & Discuss (2) JAMB 1982
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