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प्रश्न
Describe characteristics of coke.
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उत्तर
- It is an almost pure form of carbon.
- It is a porous and black substance.
- It is a poor conductor of heat and electricity.
- It is tough.
संबंधित प्रश्न
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
Coal is formed from the remains of
Which substance is formed by the carbonisation of dead vegetation?
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Loca is obtained from mines.
The black thick liquid with ______ smell is known as coal tar.
During the processing of coal to get coke, coal tar and ______ are also obtained.
Name the products obtained and their uses when coal is processed in industry.
______ 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.
What are the uses of coal?
