BIOLOGY

JAMB 2005 - Question 40

Biology 2005 JAMB Past Questions - Question 40: Which of the following is used to test for the presence of lime in a soil sample

Choose the most appropriate option for the gap .
Which of the following is used to test for the presence of lime in a soil sample
A:
B:
C:
D:
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Correct Answer

A

Explanation

A Lime is calcftim trioxocarbonate iv.When hydrochloric acid is added to it an effervescence i.e. carbon iv oxide is produced indicating the presence oftrioxocarbonateiv. TetraoxosuIphate vi acid on addition tolime forms a substance which blocks further reaction. sodium hydroxide is an alkali.

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