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प्रश्न
Coal tar is a black, thick ______ with an ______ smell.
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उत्तर
Coal tar is a black, thick liquid with an unpleasant smell.
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संबंधित प्रश्न
Coke is almost pure form of carbon.
Coal tar is a mixture of various substances.
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
When heated in air, coal burns and produces mainly ______ gas.
Write True/False against the following statement.
Under high temperature and pressure, dead plants get slowly converted to coal.
Write the characteristics and some important uses of coal.
Name the products obtained and their uses when coal is processed in industry.
Coal helps to create alumina refineries.
Coke is used in the preparation of dyes, explosives, paints synthetic fibers, and pesticides.
What are the uses of coal?
