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प्रश्न
Coke is almost pure form of carbon.
पर्याय
True
False
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उत्तर
This statement is true.
Explanation:
It is a tough, porous, and black substance. Coke is an almost pure form of carbon. It is used in the manufacture of steel and the extraction of many metals.
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संबंधित प्रश्न
Describe characteristics of coke.
Explain the following.
Petrol, diesel, and coal are fossil fuels.
When heated in air, coal burns and produces mainly ______ gas.
During the processing of coal to get coke, coal tar and ______ are also obtained.
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.
