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Chemistry Quiz - Hydrocarbons
1. Hydrocarbons are composed of:
A water and carbon
B modified carbohydrate compounds
C only carbon and hydrogen atoms
2. Organic chemistry is the chemistry of compounds containing only:
A natural materials
B compounds of living body organs
C carbon
3. An example of a small-sized hydrocarbon is:
A methane
B octane
C wax
4. An example of a medium-sized hydrocarbon that is a liquid at room temperature is:
A tar
B propane
C octane in petrol
5. Examples of large hydrocarbons that are solids at room temperature are:
A propane and butane
B naphtha and kerosene
C tar and bitumen
6. The process whereby crude oil is increasingly heated so that fractions of the hydrocarbon mixture can evaporate and be collected one by one is called:
A cracking
B fractional distillation
C hydrocarbonisation
7. LPG stands for:
A liquid petroleum gas
B liquified power gas
C low petrol gas
8. The process whereby catalysts are added to certain hydrocarbons in order to break them into smaller hydrocarbons suitable for petrol and plastics is called:
A fractional distillation
B cracking
C crude oil extraction
9. The name given to hydrocarbons with single bonds only is:
Aalkanes
Balkenes
Calkynes
10. The name given to hydrocarbons with at least one double bond is:
Aalkanes
Balkenes
Calkynes
11. questionThe name given to hydrocarbons with at least one triple bond is:
Aalkanes
Balkenes
Calkynes
12. The smallest hydrocarbon is:
Amethane
Bpropane
Coctane
13. A hydrocarbon used in gas cylinders and which has 3 carbon atoms and all single bonds is:
Aethene
Bpropane
Cdecyne
14. A hydrocarbon used in welding that has 2 carbon atoms and one triple bond is:
Aethene
Bethyne
Coctane
15. Hydrocarbons combust in abundant oxygen to form:
Acarbon dioxide and carbon monoxide
Bsmaller hydrocarbons such as methane
Ccarbon dioxide and water

 

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