Differentiate between the following :
Charcoal and coke.

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Solution

Charcoal Coke
1. It is black, soft and porous solid.
It is light brown, black and dense black depending upon the variety of coal.
2. It is formed when organic substance such as wood, bone or sugar is heated strongly in the absence of air in a closed container. 2. It is a dark, black solid obtained as a residue during destructive distillation of bituminous coal.
3. It is formed as a residue in the container. 3. It is obtained as a solid.
4. It is used as a gas mask to absorb harmful gases. 4. It is used for manufacturing steel.
5. It has two forms : Activated charcoal and charcoal 5. It has four forms : Peat, lignite, Bituminous and Anthracite.

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Charcoal	Coke
1. It is black, soft and porous solid.	It is light brown, black and dense black depending upon the variety of coal.
2. It is formed when organic substance such as wood, bone or sugar is heated strongly in the absence of air in a closed container.	2. It is a dark, black solid obtained as a residue during destructive distillation of bituminous coal.
3. It is formed as a residue in the container.	3. It is obtained as a solid.
4. It is used as a gas mask to absorb harmful gases.	4. It is used for manufacturing steel.
5. It has two forms : Activated charcoal and charcoal	5. It has four forms : Peat, lignite, Bituminous and Anthracite.