Answer:
2. Components of a mixture can be separated by physical means
Explanation:
The Compound is defined as the substances that are chemically combined while mixtures are the substances in which two or more compounds are physically combined together.
The difference between compound and mixture from the given options is that mixture can be separated physically unlike compounds.
In a mixture, two or more compounds can be mixed in any proportion that can be separated by physical means. For example: salt from seawater (mixture) can be separated evaporation and nails from the mixture of sand and iron can be separated through magnetic separation.
Hence, the correct answer is "Components of a mixture can be separated by physical means".
