Multiple Choice
Which method can be used to separate solid sugar from a solution of sugar water?
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4. BONUS: Lab Techniques and Procedures
Filtration and Evaporation
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Which technique uses a porous barrier to separate a solid from a liquid?
A
Filtration
B
Chromatography
C
Distillation
D
Evaporation
Verified step by step guidance1
Understand the purpose of the technique: separating a solid from a liquid involves physically removing solid particles suspended in a liquid.
Recall that filtration is a method that uses a porous barrier (such as filter paper) to allow the liquid to pass through while trapping solid particles on the barrier.
Compare other techniques: chromatography separates components based on their movement through a medium, distillation separates liquids based on boiling points, and evaporation removes liquid by turning it into vapor, leaving solids behind but not by using a porous barrier.
Identify that the key feature of filtration is the use of a porous barrier to physically separate solids from liquids.
Conclude that the technique described in the problem is filtration.
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