Question

2 gram coal sample in heated is furnace in a crucible weighing 20 gms for one hour at 110 degree Celsius on cooling the weight of crucible is 19.5 Gms then the percentage of moisture in coal simple is

Answer 1

Explanation:

We know that: I=

At

E

⇒9=

20×3600

E

⇒E=9×20×3600

⇒P=

C

E

=2.16×10

−3

kgms

−1