Is limestone a pure substance?
Understand the Problem
The question is asking whether limestone qualifies as a pure substance or not. Limestone is primarily made up of calcium carbonate, but it can contain impurities and other minerals. This question will require an explanation of what constitutes a pure substance in comparison to limestone's composition.
Answer
Limestone is not typically a pure substance.
Limestone is not typically a pure substance. It is usually a sedimentary rock composed of various minerals like calcite, aragonite, and dolomite.
Answer for screen readers
Limestone is not typically a pure substance. It is usually a sedimentary rock composed of various minerals like calcite, aragonite, and dolomite.
More Information
Pure limestone (CaCO3) is a compound; however, most natural limestone also contains other minerals, making it a mixture.
Tips
One common mistake is to assume all limestone is pure CaCO3 without considering the other minerals present.
Sources
- Is limestone pure substance or mixture? - Answers - answers.com
- Limestone - Wikipedia - en.wikipedia.org
- Is limestone an element, a compound, or a mixture? - Quora - quora.com