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प्रश्न
Name any four fractions obtained from petroleum which are used as fuels.
उत्तर
Four fractions obtained from petroleum that are used as fuels are petrol (gasoline), diesel, kerosene and petroleum gas.
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संबंधित प्रश्न
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.
Name the element X.
State whether the following statement is true or false:
Tidal energy is one of the forms in which solar energy manifests itself in oceans.
Fill in the following blank with suitable word:
Biomass is another form in which ........... energy manifests itself.
What are fossil fuels?
Give an account of the use of solar energy.
Explain why is it no wise to regard wood as a renewable sources of energy.
Name two forms of sea energy.
Fill in the blanks and complete the story.
About 300 million years ago, the earth had dense ______ in low lying wetland areas. Due to natural processes like ______ these forests got buried under the ______ As more ______ deposited over them, they were compressed. The ______ also rose as they sank deeper and deeper. Under high ______ and high ______ , dead plants got slowly converted into coal.
Match the items given in Column I with the items of Column II.
| Column I | Column II |
| (a) Used for road surfacing | (i) Black gold |
| (b) Natural gas | (ii) Vaseline and candles |
| (c) Petroleum | (iii) Bitumen |
| (d) Paraffin wax | (iv) CNG |
