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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
Process of separation of different constituents from petroleum is called ______.
Fill in the following blanks with suitable words :
LPG is a ........... fuel but biogas is not a..........fuel.
Which of the following combination of terms has no fossil fuel?
(a) wind, ocean, coke
(b) kerosene, tide, wind
(c) wood, wind, sun
(d) petrol, wood, sun
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.
What is known as destructive distillation? Write about the products obtained from fractional distillation of petroleum.
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.
Coal and petroleum are formed from the dead remains of organisms and are known as ______.
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
Give reason for the following:
Petroleum is considered a harmful source of energy.
