Chemistry Form 5 Chapter 2.1

Choose and tick organic compounds

• Ethanol, C₂H₅OH

• Carbon monoxide, CO

• Zinc carbonate, ZnCO₃

• Methanoic acid, HCOOH

• Glucose, C₆H₁₂O₆

Choose and tick saturated hydrocarbons

• Ethane

• Ethene

• Propane

• Propene

Carbon compounds are compounds that contain ............................ element

Hydrocarbon are organic compounds containing only ..................... and carbon

The main source of hydrocarbon is .......................................

In fractional distillation of petroleum, which product has the highest boiling point?

• Petrol

• Kerosene

• Bitumen

• Petroleum gas

Useful petroleum fractions are obtained by the fractional distillation of petroleum. Which of the following is paired correctly?

• Petrol - Fuel for light vehicles

• Bitumen - Fuel for heavy vehicles

• Diesel - For surfacing roads

• Lubricating - For making oil plastics

Which of the following is not made from petroleum?

• Paint

• Waxes

• Polish

• Margarine

Which of the following is not an example of a fossil fuel?

• Petroleum

• Charcoal

• Coal

• Natural gas

 $C_7H_{16}\ \ \rightarrow\ \ C_2H_4\ +\ldots\ldots\ldots$  

Complete the cracking equation above 

•  $C_5H_{12}$  

•  $C_5H_{10}$  

•  $C_2H_{12}$  

•  $C_2H_{10}$