Everyday Science
NULL
Medium
Question
The chemical name of chalk is __________?
A
Sodium nitrate
B
Zinc sulfate
C
Sulphuric acid
D
Calcium carbonate
✓ Official correct answer
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A
Sodium nitrate
No member explanations yet for this option.
B
Zinc sulfate
No member explanations yet for this option.
C
Sulphuric acid
No member explanations yet for this option.
D
Calcium carbonate
No member explanations yet for this option.
Explanation
Chalk is mainly calcium carbonate.
Hence the keyed answer is Calcium carbonate.
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