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Froggy Jumps
Froggy Jumps

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Extraction methods

Froggy Jumps

Played 74 %Accuracy 85 Average time 01:54
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About this activity

answer all questions

Created by

Farah Amalina
Farah Amalina
Malaysia

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Extraction methods
 

Froggy Jumps

Extraction methodsOnline version

answer all questions

by Farah Amalina
1

What is the main purpose of extraction in natural product chemistry?

2

Which of the following is the correct sequence of a general extraction process?

3

Why is plant material usually dried before extraction?

4

Which step removes solid plant residues from the extract?

5

Which factor has the greatest influence on the type of compounds extracted?

6

Which statement best describes the principle of "Like dissolves like"?

7

Reducing the particle size of plant material generally will:

8

Why should extraction temperature be carefully controlled?

9

Which of the following factors can improve extraction efficiency by increasing contact between solvent and plant material?

10

A researcher wants to extract heat-sensitive flavonoids from fresh herbal leaves. Which extraction condition is most appropriate?

 
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