Is crude oil essential for the development process in a country ? why ? -SST 10th

Is crude oil essential for the development process in a country ? why ? -SST 10th
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  It would be hard to imagine an economy developing without oil and natural gas, because it is the basis of every industrialized economy on Earth right now.  Crude oil provides 97% of the energy for transportation (cars, trains, airplanes) in the world. In the US, oil and gas make about 20% of the electricity. In addition to that, think of all the things we make from oil:  - plastics: just look at all the things made of plastic in front of you right now!  - lubrication oils  - petrochemicals for fertilizer, paint, preservatives, pharmaceuticals, cleaning chemicals, etc  -fabric: most synthetic fabrics are based on petrochemicals  So, try to imagine a country without all of these things. This would place you back in time more than 100 years in terms of technology.
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Last Answer : (A) 8

Electrical desalting of crude oil removes the __________ impurities. (A) Oleophilic (B) Oleophobic (C) Both (A) and (B) (D) Neither (A) nor (B

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Clay treatment is used to remove (A) Salt from the crude oil (B) Colour & dissolved gases from cracked gasoline (C) Wax from lube oil (D) None of these

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Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil (A) Gives higher yield of petrol (B) Lower octane number of petrol (C) Higher sulphur content in the product (D) Higher gum forming material in petro

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Last Answer : (A) Gives higher yield of petrol

The best method of determining sulphur in crude oil is by the __________ method. (A) Kjeldahl (B) Dumas (C) Bomb calorimeter (D) Junkers calorimeter

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