Question on: JAMB Chemistry - 2021
Which of the following is a form of calcium carbonate?
I. limestone
II. marble
III. chalk
Iv. egg-shells
A
I only
B
I, II and IV
C
I and II only
D
I, II, III, and IV
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Correct Option: D
Calcium trioxocarbonate (IV) occurs abundantly in the earth's crust as limestone, chalk and marble. Eggshell is mainly made up of calcium carbonate (CaCO3) crystals.
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