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प्रश्न
When heated in air, coal burns and produces mainly ______ gas.
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उत्तर
When heated in air, coal burns and produces mainly carbon dioxide gas.
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संबंधित प्रश्न
Describe how coal is formed from dead vegetation. What is this process called?
Explain why fossil fuels are exhaustible natural resources.
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
Which substance is formed by the carbonisation of dead vegetation?
Coal tar is a black, thick ______ with an ______ smell.
Write the characteristics and some important uses of coal.
Name the products obtained and their uses when coal is processed in industry.
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?
______ coal is black and dull coal.
Coal helps to create alumina refineries.
