Jamb Chemistry Past Questions For Year 2016
Question 1
The monomer of nylon is
- A. Hydroxybenzene
- B. Hexanedioic acid
- C. Benzene -1,-4-dicarboxylic acid
- D. Ethane-1,2-diol
Question 2
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
Question 3
The enzyme used in the hydrolysis of starch to dextrin and maltose is
- A. Zymase
- B. Sucrase
- C. Amylase
- D. Lactase
Question 4
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
Question 5
In an electrochemical cell, polarization is caused by
- A. Oxygen
- B. Hydrogen
- C. Tetraoxosulphate(IV) acid
- D. Chlorine
