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प्रश्न
What are the uses of coal?
State two uses of coal.
Give two uses for the following:
coal
उत्तर
- Coal is used as fuel in factories and homes.
- Coal is used to obtain coke, coal gas and coal tar.
- Coal is used in thermal power plants for the generation of electricity.
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
Describe how coal is formed from dead vegetation. What is this process called?
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Explain the different types of coal.
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Naphthalene balls are obtained from coal tar and are used as
Fill in the blanks in the following sentence.
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Fill in the blanks in the following sentence.
Coal tar is a black, thick ______ with an ______ smell.
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Loca is obtained from mines.
The slow process of conversion of dead vegetation into coal is called ______.
The black thick liquid with ______ smell is known as coal tar.
Name the products obtained and their uses when coal is processed in industry.
When lignite becomes darker and harder over time ______ coal is formed.
Which one among the following is an extremely strong but lightweight material is used in mountain bikes and tennis rackets?
______ coal is black and dull coal.
______ is used to make face packs and cosmetics.
Activated carbon, used in filters for water and air purification and in ______ machines is obtained from coal.
Coal helps to create alumina refineries.
Coke is used in the preparation of dyes, explosives, paints synthetic fibers, and pesticides.
