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प्रश्न
Coal tar is a mixture of various substances.
विकल्प
True
False
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उत्तर
This statement is true.
Explanation:
Coal tar is a black, thick liquid with an unpleasant smell. It is a mixture of about 200 substances. Products obtained from coal tar are used as starting materials for manufacturing various substances used in everyday life and industry, such as synthetic dyes, drugs, explosives, perfumes, plastics, paints, photographic materials, roofing materials, etc.
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संबंधित प्रश्न
Describe how coal is formed from dead vegetation. What is this process called?
Coke is almost pure form of carbon.
What are the different types of coal?
Anthracite is known as the highest-grade coal. Give reason.
Explain the different types of coal.
The black thick liquid with ______ smell is known as coal tar.
Write True/False against the following statement.
Under high temperature and pressure, dead plants get slowly converted to coal.
When lignite becomes darker and harder over time ______ coal is formed.
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.
