Percentage of ash content in Indian coal

Q.  What is the percentage of ash content in Indian coal?
- Published on 19 Nov 15

a. 5 %
b. 10 %
c. 20 %
d. 30 %

ANSWER: 20 %

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    Discussion

  • Dr L V Singh    -Posted on 30 Aug 17
    Please describe coal (Indian) property
    & chemistry

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