
Extraction Method Quiz
Quiz
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Other
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University
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Practice Problem
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Medium
NURHAZIRAH AZMI
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process of separating a substance from a mixture using a solvent?
condensation
amalgamation
fusion
extraction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which extraction method involves the use of water and steam to extract essential oils from plants?
Steam distillation
Oil infusion
Fire distillation
Salt extraction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In liquid-liquid extraction, the solute is transferred from one liquid phase to another. True or False?
Depends on the temperature
False
True
Partially true
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of solid-phase extraction?
To decrease the stability of compounds in a mixture
To separate and purify compounds from a mixture for analysis
To create a chemical reaction
To increase the concentration of compounds in a mixture
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which extraction method is commonly used in the pharmaceutical industry for the purification of compounds?
Liquid-solid extraction
Solid-gas extraction
Gas-gas extraction
Liquid-liquid extraction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of solvent extraction over other methods?
Faster reaction rates
Lower cost of equipment
Higher purity of the extracted compound
Efficient separation based on solubility
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the principle behind steam distillation?
Volatile compounds vaporize at lower temperatures
Steam causes compounds to solidify
Non-volatile compounds vaporize at lower temperatures
Volatile compounds vaporize at higher temperatures
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