During an experiment, a student needs to separate a mixture of salt and sand. What common laboratory technique should the student use to achieve this separation?

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Multiple choice — select the best answer

ADistillation
BEvaporation
CCentrifugation
DChromatography
EFiltration

✓ Correct answer: E. Filtration The correct answer is Filtration. Filtration is a common laboratory technique used to separate solid particles from liquids or gases. The sand in the mixture is captured by the filter paper, while the salt passes through as a solution.

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During an experiment, a student needs to separate a mixture of salt and sand. What common laboratory technique should the student use to achieve this separation?

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