In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
mass of dish = 10 gm
mass of dish and oven-dry soil = 50 gm
mass of dish and soil after heating = 40 gm
Calculate the percentage of humus in the soil sample.
A.
10 %
B.
25%
C.
60%
D.
75%
E.
80%
Correct Answer: Option B
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