Jamb Chemistry 2002 Past Questions and Answers

Question 31:

• JAMB 2002

Ordinary glass is manufactured from silica, CaCO₃ and

A. Na₂CO₃
B. K₂CO₃
C. K₂SO₄
D. NaHCO₃

Question 32:

• JAMB 2002

A red precipitate of copper (I) carbide is formed when ammonium solution of copper (I) chloride is introduced into

A. CH₃CH₂CH₂CH₃
B. CH₂ = CH - CH₂CH₃
C. CH₃CH₂ - C = CH
D. CH₃ - C = C - CH₃

Question 33:

• JAMB 2002

The boiling of fat and aqueous caustic soda is referred to as

A. Hydrolysis
B. Esterification
C. Acidification
D. Saponification

Question 34:

• JAMB 2002

The most important use of hydrogen is in the

A. Manufacture of ammonia
B. Manufacture of methyl alcohol
C. Manufacture of ethyl alcohol
D. Hydrogenation of oils

Question 35:

• JAMB 2002

which of the following polymers is suitable for packaging and electrical insulation?

A. Polyamide
B. Polyethene
C. Polycarbonate
D. Polystyrene