BAS isolation

BAS isolation

1st - 3rd Grade

8 Qs

quiz-placeholder

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BAS isolation

BAS isolation

Assessment

Quiz

Chemistry, Science

1st - 3rd Grade

Medium

Created by

Эльмира Эминова

Used 2+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which extraction method is the simplest and oldest?

supercritical fluid extraction

maceration

microwave-assisted extraction

Soxhlet-extraction

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Extraction is the method based on ...

the distillation of a substance

the ability of a substance to be easily oxidized

the distribution of a substance between two immiscible phases

3.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which extraction method carbon dioxide as a solvent?

supercritical fluid extraction

ultrasonic extraction

maceration

microwave-assisted extraction

4.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which extraction method is not suitable for substances that are quickly destroyed when heated?

maceration

microwave-assisted extraction

Soxhlet-extraction

ultrasonic extraction

5.

MULTIPLE SELECT QUESTION

1 min • 5 pts

What are the disadvantages of maceration?

long process

expensive

low efficiency

difficult to do

6.

MULTIPLE SELECT QUESTION

1 min • 5 pts

What are the disadvantages of supercritical fluid extraction?

low efficiency

Expensive equipment

CO2 is a non-polar solvent, which limits its use

toxic solvents are used

7.

MULTIPLE SELECT QUESTION

1 min • 5 pts

Extraction method most suitable for extracting fats

microwave-assisted extraction

supercritical fluid extraction

maceration

Soxhlet-extraction

8.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Supercritical fluid extraction is more suitable for ...

minerals

organic acids

non-polar molecules