
Extraction Quiz
Quiz
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Health Sciences
•
University
•
Practice Problem
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Medium
Yasmeen Ezzeldeen
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is extraction defined as?
The heating of solid materials
The addition of soluble material to a residue
The removal of soluble material from an insoluble residue
The mixing of two immiscible liquids
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor affects the extraction rate?
Shape of the container
Particle size
Type of solid material
Color of the solvent
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key feature of the Bollman extractor?
It requires high pressure
It is designed for solid-solid extraction
It uses a countercurrent flow
It operates in a batch process
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Nernst distribution law describe?
The distribution of solutes between immiscible liquids
The temperature effects on extraction
The pressure required for extraction
The viscosity of solvents
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the advantage of using baffle-plate columns?
They require less solvent
They are the most cost-effective option
They enhance contact and separation of liquid phases
They are suitable for all types of liquids
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main disadvantage of perforated plate columns?
They are inefficient
They require high maintenance
They are not suitable for suspension
They are too expensive
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the condenser in a Soxhlet extractor?
To separate solid from liquid
To cool and return solvent vapor
To mix the solvent with the solid
To heat the solvent
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