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Question 0

28 g soil sample was heated to a constant weight of 24 g. When further heated to red hot and cooled, it weighed 18 g. What is the percentage of humus in the soil?

  • A.22.2
  • B.55.6
  • C.75.0
  • D.25.0
  • E.35.7
Objective

Question details

Exam body
JAMB
Subject
Biology
Year
1983
Question no.
#0
Type
Objective
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