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प्रश्न
The slow process of conversion of dead vegetation into coal is called ______.
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उत्तर
The slow process of conversion of dead vegetation into coal is called carbonisation.
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संबंधित प्रश्न
Describe how coal is formed from dead vegetation. What is this process called?
Fossil fuels can be made in the laboratory.
Explain why fossil fuels are exhaustible natural resources.
Coal tar is a mixture of various substances.
Anthracite is known as the highest-grade coal. Give reason.
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
Naphthalene balls are obtained from coal tar and are used as
When heated in air, coal burns and produces mainly ______ gas.
When lignite becomes darker and harder over time ______ coal is formed.
______ is used to make face packs and cosmetics.
