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WAEC Agriculture 2025 Paper
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© africaexams.com
Question : 15
Total: 50
In an experiment to determine the percentage of organic matter in a soil sample, The following data was collected :
weight of oven-dried soil before burning =50g
weight of oven-dried soil after burning = 28g
Calculate the weight of organic matter in the soil
22g
11g
44g
78g
Validate
Solution:
Parameters given :
weight of oven-dried soil before burning = 50g
weight of oven-dried soil before burning = 28g
weight of organic matter = 50g- 28g
= 22g
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