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प्रश्न
The black thick liquid with ______ smell is known as coal tar.
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उत्तर
The black thick liquid with unpleasant smell is known as coal tar.
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संबंधित प्रश्न
Fossil fuels are ______, ______ and ______.
Explain why fossil fuels are exhaustible natural resources.
Coal tar is a mixture of various substances.
Explain the following.
Petrol, diesel, and coal are fossil fuels.
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
Coal tar is a black, thick ______ with an ______ smell.
Coal reserves are said to be enough to last for another hundred years. Do you think we need to worry in such case? Why or why not?
When lignite becomes darker and harder over time ______ coal is formed.
______ coal is black and dull coal.
Coal is also known as black diamond owing to its precious nature.
