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प्रश्न
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Umpetlore is a fossil fuel.
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उत्तर
Petroleum is a fossil fuel.
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संबंधित प्रश्न
Which fossil fuel is conserved when we use bicycle for covering short distances instead of a motorbike?
Choose one term from the following which include all others :
coal, natural gas, fossil fuels, petroleum
Fill in the following blank with suitable word :
When a fuel burns in an insufficient supply of air, then some poisonous gas called ......... is also produced.
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment?
Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas
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.
The term petroleum means ________
You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?
We say fossil fuels will last only for a few hundred years. Comment.
Give reason for the following:
Petroleum is considered a harmful source of energy.
