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Filtration and Crystallisation Quiz

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Questions and Answers

What does filtration separate from a liquid?

Insoluble solids (correct)

Gases

Dissolved ions

Soluble solids

What occurs during the crystallisation process after heating a saturated solution?

The solution must remain continually hot.

Crystals of the solute begin to form. (correct)

The solution becomes less concentrated.

The solute does not form any crystals.

In the filtration setup, what is the role of the filter paper?

To filter out dissolved ions from the solution.

To allow both liquids and solids to pass through.

To prevent any liquid from passing through.

To allow liquids to pass through while retaining solids. (correct)

What happens to solubility when a saturated solution cools down?

<p>It decreases, leading to the formation of more crystals.</p> Signup and view all the answers

What is the purpose of placing crystals in an oven after crystallisation?

<p>To evaporate the solvent and dry them.</p> Signup and view all the answers

Study Notes

Filtration

Filtration separates an insoluble solid from a liquid or solution
Filter paper has tiny holes that allow liquids to pass through, but not solids
The liquid that passes through is called the filtrate
The solid that remains on the filter paper is called the residue

Crystallisation

Crystallisation involves heating a solution until it is saturated
This means no more solid can dissolve at that temperature
When the solution cools, the solubility decreases
Crystals of the solute form
The remaining solvent is evaporated
Crystals are dried in an oven

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Description

Test your understanding of the processes of filtration and crystallisation. This quiz will cover the principles of separating solids from liquids and forming crystals from solutions. Perfect for chemistry students looking to strengthen their knowledge of these essential concepts.