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प्रश्न
Fill in the blanks in the following sentence.
Petroleum, ______ and ______ are fossil fuels.
उत्तर
Petroleum, coal and natural gas are fossil fuels.
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संबंधित प्रश्न
Choose one term from the following which include all others :
coal, natural gas, fossil fuels, petroleum
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?
The poisonous gas which reduces the oxygen-carrying capacity of blood to a large extent is :
(a) SO2
(b) NO
(c) CO
(d) CO2
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
List the products of combustion of fossil fuels. What are their adverse effects on the environment?
Write two disadvantages of burning fossil fuels.
Write an answer to the following question in your own words.
Make a list of the components we obtain from mineral oil.
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.