Which of the following is a form of calcium carbonate?I. limestone II. marble ...
Question
Which of the following is a form of calcium carbonate?
I. limestone
II. marble
III. chalk
Iv. egg-shells
Options
A)
I only
B)
I, II and IV
C)
I and II only
D)
I, II, III, and IV
The correct answer is D.
Explanation:
- Calcium trioxocarbonate (IV) occurs abundantly in earth's crust as limestone, chalk and marble
- Eggshell is made almost entirely of calcium carbonate (CaCO3) crystals.
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