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प्रश्न
Petroleum was formed from organisms
विकल्प
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
Explain the process of formation of petroleum.
Why are coal and petroleum categorised as natural resources? Give a reason as to why they should be used judiciously.
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment?
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.
Match the following.
| Octane rating | Diesel |
| Cetane rating | Methane |
| Simplest hydrocarbon | Petrol |
| Peat | Bown in colour |
| Lignite | First stage coal |
You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?
Petroleum, ______ and ______ are fossil fuels.
Excessive burning of fossil fuels is a major cause of ______.
