Multiple Choice
In a laboratory experiment involving both filtration and evaporation, what is the primary reason a filter system is used?
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4. BONUS: Lab Techniques and Procedures
Filtration and Evaporation
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Which of the following substances is not normally found in the filtrate after a filtration process?
A
Salt
B
Water
C
Sugar
D
Sand
Verified step by step guidance1
Understand the filtration process: Filtration is a method used to separate solids from liquids or gases using a filter medium that allows only the fluid to pass through.
Identify the substances involved: In this problem, the substances are salt, water, sugar, and sand.
Consider the properties of each substance: Salt, water, and sugar are soluble in water, meaning they can dissolve and pass through the filter as part of the filtrate.
Analyze the properties of sand: Sand is insoluble in water, meaning it does not dissolve and will be retained by the filter, not passing through into the filtrate.
Conclude which substance is not found in the filtrate: Since sand is insoluble and will be retained by the filter, it is not normally found in the filtrate after the filtration process.
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