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प्रश्न
Excessive burning of fossil fuels is a major cause of ______.
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उत्तर
Excessive burning of fossil fuels is a major cause of air pollution.
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संबंधित प्रश्न
How can you as an individual contribute or make a difference to the management of coal and petroleum
Process of separation of different constituents from petroleum is called ______.
Why are coal and petroleum categorised as natural resources? Give a reason as to why they should be used judiciously.
Fill in the following blanks with suitable words :
LPG is a ........... fuel but biogas is not a..........fuel.
What are the main uses of coal and petroleum products?
Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas
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 |
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
Petroleum, ______ and ______ are fossil fuels.
