Question

Why we obtain different types of coal

Answer 1

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There are four main coal types: lignite, sub-bituminous, bituminous and anthracite. Here's a look at their characteristics and uses. Found in the earth's crust, coal is a fossil fuel that is, essentially, “the altered remains of prehistoric vegetation,” as the World Coal Association (WCA) puts it.

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Answer 2

Answer:

Explanation:

We obtain different type of coals because while processing or burning of coal at different levels and stages, the ignition temperature is different resulting in different type of production of coal. Also one the reasons is type of properties a raw material has before its manufacture or production.

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