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प्रश्न
Can you tell?
What is ‘green energy’?
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उत्तर
The forms of energy which do not produce smoke and carbon gases such as carbon dioxide or carbon monoxide are known as green energy. Green energy is energy derived from renewable, environmentally friendly sources such as solar, wind, hydro, geothermal, and biomass. It produces little to no pollution and helps combat climate change.
संबंधित प्रश्न
Give the names of two energy sources that you would consider to be exhaustible. Give reasons for your choices.
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
Calorific value and ignition temperature of fuel X are 75 kJ/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively. On burning, the fuel Y produces only CO2while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.
What is meant by conventional sources of energy? Write the names of two conventional sources of energy.
Which fossil fuels were formed by the buried remains of small plants and animals?
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
What are the raw materials used for making biogas?
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.
