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Chapter-12, , What if it Finishes .... ?, , A.Fill in the blanks with suitable words:, , 1.Vehicles which run on CNG give less smoke., , 2.Crude oil is smelly, thick, dark coloured liquid., , 3.We can save a lot of fuel, if we use public transport., , 4.Petrol and diesel will not last forever., , 5.Crude oil is formed naturally but slowly deep, , down the earth., , B.Match the column, , A, , B, , 1.LPG, , a. are obtained from petroleum, , 2.CNG, , b. Liquefied Petroleum Gas, , 3.Petrol, diesel,, , c. a place to clean and
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kerosene, LPG,, , separate components of, , wax, coaltar, , crude oil, , 4.Refinery, , d. Compressed Natural Gas, , Ans 1-b, 2-d, 3- a, 4-c, , C. State True or False:, , 1-We should switch off the engine when we stop the car. True, , 2.Petrol and diesel are made by humans on machines. False, , 3.Electricity can be used to run vehicles. True, , 4.Crude oil is also used for making several other things like plastics and plants. True, , 5.Vehicles that run on CNG give out a lot of smoke. True, , D.Answer the following questions:, QQ1 Which states of India have oil fields?, Ans- Following s are sometates of India hawhich ve oil fields:
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1 - Eastern Assam, 2 Arunachal Pradesh, 3 Nagal Maharashtra, 4 Gujarat il, Q2what else is found deep inside the earth?, Ans- Besides oil, minerals like copper, bauxite and precious gems like diamond, ruby are found deep, inside the earth., Q. We should use petrol and diesel judiciously. Think why?, Ans- We should use petrol and diesel judiciously because in nature, they do not get made as fast as we, take them out., Q. Where all is oil used?, Ans- Uses of oil are as follows:, I- For dry cleaning, 2- For lighting of lamps, 3- As petrol, diesel or aeroplane fuel, 4- As kerosene and LPG for cooking, 5- To run machines, 6- For making plastic and paints, 7- For making products like wax, camphor etc