Question:
Identify the use of calcium carbonate from following.
Identify the use of calcium carbonate from following.
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Use:
CaCO$_3$ $\rightarrow$ Mild abrasive (toothpaste)
Updated On: May 8, 2026
- For mercerising cotton fabrics.
- As a source of hydride.
- As chlorinating agent.
- In tooth paste.
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The Correct Option is D
Solution and Explanation
Concept: Calcium carbonate ($\text{CaCO}_3$) is widely used as:
• Mild abrasive
• Filler in toothpaste
Step 1: Check options.
• (A) Mercerising uses NaOH
• (B) Hydride source $\rightarrow$ NaH, CaH$_2$
• (C) Chlorinating agent $\rightarrow$ SOCl$_2$, PCl$_5$
• (D) Toothpaste: Correct
Step 2: Conclusion.
Thus, CaCO$_3$ is used in toothpaste. Final Answer: Option (D)
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