Everyday Science
NULL
Medium
Question
Pure limestone is essentially _______?
A
Aluminum Oxide
B
Calcium Carbonate
✓ Official correct answer
C
Calcium Sulphate
D
None of these
Community credibility
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A
Aluminum Oxide
No member explanations yet for this option.
B
Calcium Carbonate
No member explanations yet for this option.
C
Calcium Sulphate
No member explanations yet for this option.
D
None of these
No member explanations yet for this option.
Explanation
Limestone is mainly calcium carbonate (CaCO₃).
Hence the keyed answer is Calcium Carbonate.
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