Why are compounds pure substances?
Understand the Problem
The question is asking for the reasoning behind compounds being classified as pure substances. It implies a need for an explanation of the characteristics of compounds that qualify them as pure, as well as the definition of pure substances in this context.
Answer
Compounds are pure substances because they have a fixed chemical composition and cannot be separated by physical changes.
The final answer is that compounds are considered pure substances because they are made up of only one kind of molecule, which has a consistent chemical composition throughout.
Answer for screen readers
The final answer is that compounds are considered pure substances because they are made up of only one kind of molecule, which has a consistent chemical composition throughout.
More Information
Pure substances, whether they are elements or compounds, exhibit uniform properties and composition. In the case of compounds, they are formed by chemically bonding two or more elements in fixed proportions, making them chemically indivisible by physical means.
Tips
A common mistake is confusing compounds with mixtures, which can be separated by physical means and do not have fixed compositions.
Sources
- Why are compounds and elements considered pure substances? - quora.com
- Why is compound a pure substance? - BYJU'S - byjus.com
- Is a Compound a Pure Substance? - Labmate Online - labmate-online.com
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