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प्रश्न
Which of the following is not a constituent of petroleum?
पर्याय
Paraffin wax
Lubricating oil
Petrol
Coke
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उत्तर
Coke
Explanation:
Coke is not a constituent of petroleum. Coke is prepared by heating coal in the absence of air.
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संबंधित प्रश्न
How can you as an individual contribute or make a difference to the management of coal and petroleum
Although coal and petroleum are produced by the degradation of biomass, even then we need to conserve them. Why?
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment?
Why should fossil fuels like coal and petroleum be used judiciously?
State any five steps to reduce the consumption of coal and petroleum products.
Which of the following combination of terms has no fossil fuel?
(a) wind, ocean, coke
(b) kerosene, tide, wind
(c) wood, wind, sun
(d) petrol, wood, sun
A man bought a device X which could cook pulses, vegetables and rice without using any fuel like wood, coal, kerosene or LPG, etc. This device did not work at night. It also took a lot of time for cooking.
(a) Name the device X.
(b) What is the source of energy which cooks food in this device?
(c) What is the name of the process which traps energy in this device?
(d) State one advantage (other than saving on fuel) or using such a device for cooking food.
While discussing about coal and petroleum a teacher told his students about PCRA's (Petroleum Conservation Research Association) guidelines to save the fossil fuels while driving vehicles. Deepa was going to her school with her mother who was driving car. At the traffic signal, when the light was red, Deepa suggested her mother to switch of the engine.
After reading the above passage, answer the following questions :
(a) Fossil fuels are natural resources, then why do we need to conserve them?
(b) List any two ways of saving the fossil fuels.
(c) State two values exhibited to Deepa.
Petroleum was formed from organisms
You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?
