Mixtures (AQA GCSE Chemistry Combined Science): Quizzes

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Mixtures
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What is a mixture?

Substances not chemically joined

How can mixtures be separated?

Without a chemical reaction

What is an element?

A substance made of one type of atom

What is a compound?

Atoms of different elements joined

What is filtration used to separate?

Insoluble solid from liquid

How can sand be separated from water?

Filtration

What is evaporation used to separate?

Soluble solid from liquid

What evaporates away during evaporation?

The water

Which mixtures are suitable for chromatography?

Inks and dyes

How does chromatography separate mixtures?

Components move at different rates

If a compound moves 5 cm and solvent moves 10 cm, what is the RfR_f value?

0.50.5

Why does distillation work?

Liquids have different boiling points

Explore AQA GCSE Chemistry Combined Science Revision Notes by Topics

Simple Model of the Atom

The Periodic Table

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Simple Model of the Atom

The Periodic Table

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Simple Model of the Atom

The Periodic Table

Explore AQA GCSE Chemistry Combined Science Exam Questions by Topics

Simple Model of the Atom

The Periodic Table

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