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प्रश्न
Petroleum was formed from organisms
पर्याय
living on the land
living on the plants
living in the sea
living on the rocks
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उत्तर
living in the sea
Explanation:
Petroleum was formed by the decomposition of the remains of tiny plants and animals buried under the sea millions of years ago.
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संबंधित प्रश्न
Fill in the following blanks with suitable words :
LPG is a ........... fuel but biogas is not a..........fuel.
Why should fossil fuels like coal and petroleum be used judiciously?
What are the main uses of coal and petroleum products?
State any five steps to reduce the consumption of coal and petroleum products.
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.
List the products of combustion of fossil fuels. What are their adverse effects on the environment?
Match the following.
| Octane rating | Diesel |
| Cetane rating | Methane |
| Simplest hydrocarbon | Petrol |
| Peat | Bown in colour |
| Lignite | First stage coal |
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Umpetlore is a fossil fuel.
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Keenrose is a fuel used in jet crafts.
Write some important uses of the various constituents of petroleum.
