Question

2 gm coal sample is heated in furnace in a crucible weighing 20 gms for one hour at 110°C. On cooling the weight of crucible is 19.5 gms. Then the percentage of moisture in coal sample is

Option 1:
10%

Option 2:
25%

Option 3:
50%

Option 4:
60%​

Answer 1

Answer:

3

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