Thursday, July 26, 2012

VIII:Coal and Petrolium CBSE Test Paper

Q.1 Fill in the blanks:-
(i) On heating in air, coal mainly produces ________ gas.
(ii) ________ is an almost pure form of carbon.
(iii) Coal tar is a mixture of about ________ substance..
(iv) Now a days ________, a petroleum product is used in place of _______for metalling the roads.
(v) ________ is used as a fuel in light automobiles whereas heavy motor vehicles run on ________.
Answer these questions
Q.2 What are natural resources?
Q.3 Give three examples of natural and man-made material?
Q.4 What are the two kinds of natural resources? Explain giving examples?
Q.5 What are fossil fuels? Give three examples?
Q.6 Write two uses of coke?
Q.7 Name four substances which are manufactured using products obtained from coal tar?
Q.8 How is petroleum formed?Q.9 Name three places in India where petroleum oil is found.
Q.10 What is petroleum refining?
Q.11 Write two uses of petrol, kerosene, diesel, paraffin wax and bitumen?
Q.12 Why is CNG being used as a fuel for vehicles?
Q.13 Explain why should we use fossil fuels only when absolutely necessary.
Q.14 What is the full form of LPG and CNG?
Q.15 What are the tips given by PCRA to save petrol and diesel?
Q.16 Why is petroleum called black gold?
Q.17 Give two advantages of natural gas as a fuel.
Q.18 Explain why coal, petrol and diesel oil will be exhausted one day.
Q.19 Write any two ways in which we can conserve fossil fuels.
Q.20 Write three ways in which we can help to meet energy crisis.
Q.21 Why are petrol, coal called non-renewable resources?
Q.22 What are the advantages of using inexhaustible resources of energy?
Q.23 Write the composition of natural gas.

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