Work sheet 2


                     COAL  AND  PETROLEUM

Fill in the blanks

·      Natural gas is stored under high pressure as                      

·      Earlier, it was used in railway                          .

·                        Is also used as a fuel in various industries.

·      The slow process of conversion of dead vegetation into coal is called                     .

·                    Is used in the manufacture of steel and in the extraction of many metals.  

·      Petrol and diesel are obtained from a natural resource called                   .

·                    is obtained during the processing of coal to get coke.

·      The process of separating the various contituents/fractions of petroleum is known as                .

·                        Is a very important fossil fuel because it is easy to transport through pipes.

·      Natural gas is also used as a starting materials for the manufacture of a number of                   and            .   

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