Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.

Question: Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.
[A].

15 to 25

[B].

35 to 45

[C].

55 to 75

[D].

75

Answer: Option B

Explanation:

No answer description available for this question.