BIOLOGY
JAMB 2009 - Question 36
Biology 2009 JAMB Past Questions - Question 36: Mass of a crucible = 10g Mass of a crucible and soil before heating - 29g Mass of a crucible and soil after heating = 18gfrom the information above, determine the percentage of water in the given soil sample?
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
D
Explanation
D Mass of wet soil or soil before heating 29-10 =19g,Mass of dry soil after heating 18-10 = 8gMass of water 19 - 8 = 11 gPercentage of water= mass of water x 100 %mass of wet soil 111 x 100 = 1100 19 1 1957.8%

