Multiple Choice
Table sugar can be separated from a mixture of table sugar and sand at STP by adding which of the following substances?
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4. BONUS: Lab Techniques and Procedures
Filtration and Evaporation
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Which of the following forces drives the process of filtration?
A
Gravity
B
Electrostatic force
C
Centrifugal force
D
Magnetic force
Verified step by step guidance1
Understand the concept of filtration: Filtration is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid.
Identify the forces listed in the problem: Gravity, Electrostatic force, Centrifugal force, and Magnetic force.
Consider how each force could potentially drive the filtration process: Gravity is a natural force that pulls objects toward the center of the Earth, often used in simple filtration setups. Electrostatic force involves attraction or repulsion between charged particles. Centrifugal force is used in centrifugation, which is a different process from filtration. Magnetic force involves attraction or repulsion between magnetic materials.
Evaluate which force is most commonly associated with filtration: In many filtration processes, especially those involving gravity filters, gravity is the primary force that drives the liquid through the filter medium.
Conclude that gravity is the force that typically drives the process of filtration, as it is the most relevant and commonly used force in basic filtration setups.
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