Classify the following to be pure substance or mixture: pure ethanol: 70% rubbing alcohol: orange juice: sugar water: distilled water: mineral water:

Pure Substance

Pure ethanol

Distilled water

Mixture

All others

Explanation:

A mixture can be defined as a substance that contains 2 or more substance in any proportion which are bound to each other physically and can be separated using ordinary physical means

A pure substance on the other hand has a single composition without impurities.

The pure substances here are just the pure ethanol and the distilled water. Both have single compositions and are pure. The other substances are mixtures because they are not of single compositions but their components can be separated by physical means

your answer is c) plasma

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