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प्रश्न
State whether the following is True or False.
China, the USA, and Spain are major producers of wind energy.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
Name two sources of energy that you think are renewable. Give reason for your choice.
Classify the following
Coal, Wind, Tides, Petroleum,Wood, Natural gas
What is the basis of above classification?
Name any four fractions obtained from petroleum which are used as fuels.
What is the composition of liquefied petroleum gas (LPG)?
State one important use of CNG these days.
What is meant by conventional sources of energy? Write the names of two conventional sources of energy.
What are the disadvantages of burning fossil fuels?
State whether the following statement is true or false:
Tidal energy is one of the forms in which solar energy manifests itself in oceans.
Write any two advantages of using biogas.
You have three unlabelled test tubes containing ethanol, ethanoic acid and soap solution. Explain the method you would use to identify the compounds in different test tubes by chemical tests using litmus paper and sodium metal.
Choose the correct answer.
The coal that has the highest percentage of carbon is
What is the main difference between renewable and non-renewable energy resources?
Can you tell?
Why should we maximise the use of non-conventional energy resources?
Why is charcoal considered better fuel than wood?
Name two forms of sea energy.
What is non-renewable resources?
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Nutsgilh is an example of inexhaustible natural resources.
Look at the figure where petroleum and natural gas deposits are shown. Why do we find oil layer above water layer?
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.
