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प्रश्न
Coal tar is a mixture of various substances.
पर्याय
True
False
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
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?
Fill in the blanks in the following sentence.
Coal tar is a black, thick ______ with an ______ smell.
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Write the characteristics and some important uses of coal.
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.
Coal is also known as black diamond owing to its precious nature.
Explain the destructive distillation of Coal.
