Separation techniques

Separation techniques

7th Grade

22 Qs

quiz-placeholder

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Separation techniques

Separation techniques

Assessment

Quiz

Chemistry

7th Grade

Medium

Created by

Isa Cruz

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements tells us that a sample of liquid is pure water?

It is colourless.

It leaves no residue when filtered.

It boils at 100oC.

It is odourless.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the name of this separation technique?

distillation

filtration

evaporation

chromatography

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For paper chromatography to work,

the dyes must have different boiling points.

the dyes must have different solubilities in the solvent.

the starting line on the chromatogram must be drawn using pen.

The starting line must be below the level of the solvent.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which separation technique is used to obtain salt from seawater?

Simple distillation

Filtration

Chromatography

Evaporation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which ink is most soluble?

Blue

Red

Yellow

Green

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During filtration, the solid that is trapped in the filter paper is called ..A.. and the liquid that has passed through the filter paper is called ..B..

A: residue B: filtrate

A: residue B: filterate

A: filtrate B: residue

A: filterate B: residue

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Charcoal powder is insoluble in water. When water is filtered, the charcoal powder becomes the _______.

solute

residue

filtrate

solvent

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