1. The process of converting starch to ethanol is

A. cracking

B. distillation

C. fermentation

D. oxidation

2 The polymer used in making car rear lights is

A. perspex

B. bakeelite

C. polystyrene

D. polyacrylonitrile

3. CH₃COOC₂H₅(1) + H₂O₍₁₎ ⇌ CH ₃COOH _(aq) + C ₂H ₅OH _(aq)

The purpose of H⁺ in the reaction above is to

A. increase the yield of products

B. maintain the solution at a constant PH

C. increase the rate of the hydrolysis

D. decrease the rate of the reverse reaction

4. A hydrocarbon has an empirical formula CH and a vapour density of 39. Determine its molecular formula.
[C = 12, H = 1]

A. C₂H₆

B. C₃H₈

C. C₃H₄

D. C₆H₆

5. Polystyrene is widely used as packaging materials for fragile objects during transportation because of its

A. lightness

B. low density

C. high density

D. high compressibility

6) The process of converting linear alkanes to branched chain and cyclic hydrocarbons by heating in the presence of a catalyst to improve the quality of petrol is referred to as

A. refining

B. cracking

C. reforming

D. blending

7) The petroleum fraction that is used in heating furnaces in industries is

A. diesel oil

B. gasoline

C. kerosene

D. lubricating oil

8) The IUPAC nomenclature of the compound above is

A. 2-bromo-3-chlorobutanol

B. 3-bromo-2-chlorobutanol

C. 3-chloro-2-bromobutanol

D. 2-chloro-3-bromobutanol

9) In the diagram, the function of the concentrated H2SO4 is to?

A. purify the gas

B. dry the gas

C. liquefty the gas

D. remove odour

10) Z in diagram above represents

A. heat of reaction

B. activation energy

C. free energy

D. entropy of reaction