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प्रश्न
Petroleum, ______ and ______ are fossil fuels.
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उत्तर
Petroleum, coal and natural gas are fossil fuels.
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संबंधित प्रश्न
Which fossil fuel is conserved when we save on electricity?
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
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.
Write two disadvantages of burning fossil fuels.
Which of the following is not a constituent of petroleum?
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
Write some important uses of the various constituents of petroleum.
