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Chemistry JAMB Past Questions

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1776
In an electrochemical cell, polarization is caused by
  • A. Oxygen
  • B. Hydrogen
  • C. Tetraoxosulphate(IV) acid
  • D. Chlorine
View Answer & Discuss (6) JAMB 2016
1777

The condition required for corrosion to take place is the presence of

  • A. Oxygen and Carbon (IV) oxide
  • B. Water and Oxygen
  • C. Water and Carbon (IV) oxide and Oxygen
  • D. Water and Carbon (IV) oxide
View Answer & Discuss (17) JAMB 2016
1778
The enzyme used in the hydrolysis of starch to dextrin and maltose is
  • A. Zymase
  • B. Sucrase
  • C. Amylase
  • D. Lactase
View Answer & Discuss (4) JAMB 2016
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1779
In the laboratory preparation of chlorine from concentrated hydrochloric acid in the presence of potassuim tetraoxomanganate(VII) the produced is dried by passing it through
  • A. Concentrated tetraoxosulphate (VI) acid
  • B. Anhydrous calcium chloride
  • C. Calcium oxide
  • D. Sodium hydroxide
View Answer & Discuss (5) JAMB 2016
1780
The monomer of nylon is
  • A. Hydroxybenzene
  • B. Hexanedioic acid
  • C. Benzene -1,-4-dicarboxylic acid
  • D. Ethane-1,2-diol
View Answer & Discuss (6) JAMB 2016
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