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3. Sources of Energy
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Q1 of 269 Page 130

Name the product of petroleum that is used to drive heavy vehicles.

Diesel is the product of petroleum that is used to drive heavy vehicles. It is a mixture of hydrocarbons obtained by distillation of crude oil.


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34

Arrange the following fuels in order of increasing calorific values (keeping the fuels with lowest calorific value first):

LPG, Coal, Alcohol, Dung cakes, Diesel

35

Most of the fuels contain carbon as one of the constituents. Name a fuel which has very high calorific value but does not contain carbon.

2

Give one example of a good domestic fuel.

3

Name any one hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.

Questions · 269
3. Sources of Energy
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