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Year 7 Science: Mixing and Separating Revision

Authored by Ben ERNEST

Science

7th Grade

Used 59+ times

Year 7 Science: Mixing and Separating Revision
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is a mixture?

A screen or membrane used in filtration

A substance made from two or more pure substances that have been stirred together and that can be separated to recover the original chemicals

A substance that dissolves to make a solution when mixed into a solvent

A substance that does not dissolve in a particular solvent

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is a pure substance?

A process that uses heat to make a liquid solvent change state to a gas, and leave behind the solute it had dissolved

A device that spins very fast to separate solids from liquids, or liquids from solids

The separation of solids or liquids from a liquid or gas by using a barrier with holes smaller than particles being separated

Pure substances are substances that are made up of only one kind of particles and has a fixed or constant structure.

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

From the options below, select all the boxes that are mixtures.

Mud

Cement

Oxygen

Sea water

Carbon

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

From the options below, select all the boxes that are pure substances.

Hydrogen

The air we breathe

Plastic

Gold

Copper

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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A solvent is defined as __________________

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

A solute is defined as ____________________

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

A solution is defined as _________________

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