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Ciconia Natural Limestone Slate Chalk Pencil - Pack of 10 Box (Saleti Chalk) : Amazon.in: Home & Kitchen
![Limestone is a type of sedimentary rock that is mainly made up of a substance called calcium carbonate. Calcium carbonate has the chemical formula, CaCO3. - ppt download Limestone is a type of sedimentary rock that is mainly made up of a substance called calcium carbonate. Calcium carbonate has the chemical formula, CaCO3. - ppt download](https://slideplayer.com/slide/13274115/79/images/3/Limestone%2C+chalk+and+marble+are+all+forms+of+calcium+carbonate+CaCO3..jpg)
Limestone is a type of sedimentary rock that is mainly made up of a substance called calcium carbonate. Calcium carbonate has the chemical formula, CaCO3. - ppt download
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