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IGCSEChemistryCambridge (CIE)Revision Notes12. Experimental Techniques & Chemical AnalysisExperimental TechniquesSolutions

Solutions (Cambridge (CIE) IGCSE Chemistry)

Revision Note

Stewart Hird

Written by: Stewart Hird

Reviewed by: Lucy Kirkham

Solutions

  • You need to know all the following terms used when describing solutions:

Terminology about solutions table

Term

Meaning

Example

Solvent

The liquid in which a solute dissolves

The water in seawater

Solute

The substance which dissolves in a liquid to form a solution

The salt in seawater

Solution

The mixture formed when a solute is dissolved in a solvent

Seawater

Saturated solution

A solution with the maximum concentration of solute dissolved in the solvent

Seawater in the Dead Sea

Soluble

A substance that will dissolve

Salt is soluble in water

Insoluble

A substance that will not dissolve

Sand is insoluble in water

Filtrate

The liquid or solution that has passed through a filter

Fresh coffee in a cup

Residue

The substance that remains after evaporation, distillation, filtration or any other similar process

Coffee grounds in filter paper

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    Author
    Reviewer
    Stewart Hird

    Author: Stewart Hird

    Expertise: Chemistry Lead

    Stewart has been an enthusiastic GCSE, IGCSE, A Level and IB teacher for more than 30 years in the UK as well as overseas, and has also been an examiner for IB and A Level. As a long-standing Head of Science, Stewart brings a wealth of experience to creating Topic Questions and revision materials for Save My Exams. Stewart specialises in Chemistry, but has also taught Physics and Environmental Systems and Societies.

    Lucy Kirkham

    Author: Lucy Kirkham

    Expertise: Head of STEM

    Lucy has been a passionate Maths teacher for over 12 years, teaching maths across the UK and abroad helping to engage, interest and develop confidence in the subject at all levels.Working as a Head of Department and then Director of Maths, Lucy has advised schools and academy trusts in both Scotland and the East Midlands, where her role was to support and coach teachers to improve Maths teaching for all.