Which of the following is true about filtration?
Correct answer: B. It separates insoluble solids from liquids
- A. It separates soluble substances from insoluble ones
- B. It separates insoluble solids from liquids
- C. It separates gases from liquids
- D. It separates mixtures based on boiling points
Explanation
Filtration is used to remove solid particles from a liquid by passing the mixture through filter paper. The solid is retained on the filter while the liquid passes through as filtrate.
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About Experimental Techniques in Chemistry
Separation methods are selected according to differences in solubility, particle size, volatility and sublimation behaviour. Filtration and crystallisation separate insoluble or dissolved solids, sublimation isolates suitable volatile solids, distillation separates liquids by boiling point, and solvent extraction transfers a substance between immiscible solvents.
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