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Which of the following is not a characteristic of coal?

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in Engineering Chemistry II by (789k points)
Which of the following is not a characteristic of coal?

(a) Weathering

(b) Slaking index

(c) Moisture content

(d) Bulk density

The question was asked in exam.

My question comes from Characteristics of Coal topic in chapter Fuels and Combustion of Engineering Chemistry II

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The correct option is (c) Moisture content

To explain I would say: Moisture content represents the total vapours present inside the coal. Moisture develops from the outside atmospheric conditions due to which it is not a characteristic of coal.

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