Advertisements
Advertisements
प्रश्न
Describe characteristics of coke.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Explain the different types of coal.
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
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Loca is obtained from mines.
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.
Activated carbon, used in filters for water and air purification and in ______ machines is obtained from coal.
Coke is used in the preparation of dyes, explosives, paints synthetic fibers, and pesticides.
What is deep mining?
