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Which of the following is a ideal source of energy? (a) Coal (b) Wood (c) petroleum (d) Bio mass?
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Which of the following is a ideal source of energy? (a) Coal (b) Wood ...
Biomass is an ideal source of energy it can be cleared as
1) more amount of calorific value
2) produces less polluting gases
3) can be easily extracted and conveniently used
4) low cost of production
Community Answer
Which of the following is a ideal source of energy? (a) Coal (b) Wood ...
Biomass....
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Read the extract and answer the questions that follows:In India, coal is the most abundantly available fossil fuel. It provides a substantial part of the nation’s energy needs. It is used for power generation, to supply energy to industry as well as for domestic needs. India is highly dependent on coal for meeting its commercial energy requirements. As you are already aware that coal is formed due the compression of plant material over millions of years. Coal, therefore, is found in a variety of forms depending on the degrees of compression and the depth and time of burial. Decaying plants in swamps produce peat which has a low carbon and high moisture contents and low heating capacity. Lignite is a low grade brown coal, which is soft with high moisture content. The principal lignite reserves are in Neyveli in Tamil Nadu and are used for generation of electricity. Coal that has been buried deep and subjected to increased temperatures is bituminous coal. It is the most popular coal in commercial use. Metallurgical coal is high grade bituminous coal which has a special value for smelting iron in blast furnaces. Anthracite is the highest quality hard coal. In India coal occurs in rock series of two main geological ages, namely Gondwana, a little over 200 million years in age and in tertiary deposits which are only about 55 million years old. The major resources of Gondwana coal, which are metallurgical coal, are located in Damodar valley (West Bengal-Jharkhan d). Jharia, Raniganj, Bokaro are important coalfields. The Godavari, Mahanadi, Son and Wardha valleys also contain coal deposits. Tertiary coals occur in the north eastern states of Meghalaya, Assam, Arunachal Pradesh and Nagaland. Remember coal is a bulky material, which loses weight on use as it is reduced to ash. Hence, heavy industries and thermal power stations are located on or near the coalfields.Answer the following MCQs by choosing the most appropriate option.Q. India is highly dependent on____________ for meeting its commercial energy requirements.

Read the following passage carefully and answer the question that follow :- Did you know that two Hollywood blockbusters. "Water World" and "Day after Tomorrow" were based on aspects of climate change (with a little dramatic exaggeration, of cours e)? They portrayed how recklessindustrial activity causes global warming which in turn has disastrous consequescens. Climate change is very real. Houses have been destroyed by typhoons and freak storms. Thousands of Europeans died in a heat wave two years ago. Melting ice caps, dying coral reefs and permanent flooeing of severla coastal zones are imminent. People in the Arctic regions have seen unusal birds, and animals in their locality that are normally only found in warmer climates.When fossil fules like oil, coal and natural gas are burnt, the carbon dioxide generated envelopsthe earth and traps heat inside the planet's atmosphere just like a greenhouse traps heat inside itself. Coal-based thermal power plants are the largest source of carbon dioxide emissions. Petrol, diesel and natural gas based transport, CFC gases, coolants in air conditioners, fridges and air freshenor sprays also contribute to the greenhouse effect. Today,scientists warn that if average temperatures of the plannet rise by 2 Celsius terrible things could happen. The ice sheet over Greenland could melt entirely. The Amazon rain forest ecosystem could get completely destroyed. Tens of millions of people could be deprived of even the most basic food, millions could have their homesflooded and many more will face watershortages. Governments ofseverla industrialised countries have signe the Kyoto Protocol, an agreement to reduce their emissions of greehouse gases in the coming years. Unfortunately the U. S., the biggest emitter, responsible for nearly a quarter of the world's carbon dioxide emissions (though it has only four percent of the world's population) has refused to raify the Kyoto Protocol! Global fossil fuel reserves are diminishing but we need to do something soon. Governments need to stop giving easy loans and benefits to fossil fuel industies and start funding technologies that don't cause global warming. Safer and cleanersources of energy like windmills, energy from windmills, energy from biomass. wave energy fromseashores and of course solar energy are becoming increasingly popular. It is up to governmentsto acknowledge that these are viable profitable sources of energy, and increase investments in clean energy A. On the basis of your reading of the above passage make notes on it using heading and sub. headings also use recognizable abbreviation wherever necesssary (Minimum 4) Supply a suitable Title (5 Marks) B. Write a summary of the above passage in your own words. Related: Learn Note-making - Heading, Sub Heading, Points, Abbreviations?

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Which of the following is a ideal source of energy? (a) Coal (b) Wood (c) petroleum (d) Bio mass?
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Which of the following is a ideal source of energy? (a) Coal (b) Wood (c) petroleum (d) Bio mass? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which of the following is a ideal source of energy? (a) Coal (b) Wood (c) petroleum (d) Bio mass? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is a ideal source of energy? (a) Coal (b) Wood (c) petroleum (d) Bio mass?.
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