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प्रश्न
The slow process of conversion of dead vegetation into coal is called ______.
उत्तर
The slow process of conversion of dead vegetation into coal is called carbonisation.
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संबंधित प्रश्न
Fossil fuels are ______, ______ and ______.
Coke is almost pure form of carbon.
Explain why fossil fuels are exhaustible natural resources.
Coal is formed from the remains of
Fill in the blanks in the following sentence.
When heated in air, coal burns and produces mainly ______ gas.
During the processing of coal to get coke, coal tar and ______ are also obtained.
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.
______ is used to make face packs and cosmetics.
Coal is also known as black diamond owing to its precious nature.
