IGCSEScienceEdexcelScience (Double Award) (Modular)Chemistry Unit 1Revision Notes1. Principles of Chemistry: Part 1States of matterSolutions

Solutions (Edexcel IGCSE Science (Double Award) (Modular)): Revision Note

Exam code: 4XSD1

Stewart Hird

Written by: Stewart Hird

Reviewed by: Philippa Platt

Updated on

Edexcel Science (Double Award) (Modular): Chemistry Unit 1Edexcel Chemistry (Modular): Unit 1Edexcel Science (Double Award): ChemistryEdexcel Chemistry

Solutions terminology

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

Term

Meaning 

Example

Solvent

The liquid in which a solute dissolves

The water in sea water

Solute

The substance which dissolves in a liquid to form a solution

The salt in sea water

Solution

The mixture formed when a solute is dissolved in a solvent

Sea water

Saturated solution

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

Sea water in the Dead Sea

Soluble

Describes a substance that will dissolve

Salt is soluble in water

Insoluble

Describes a substance that will not dissolve

Sand is insoluble in water

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Reviewer
Stewart Hird

Author: Stewart Hird

Expertise: Chemistry Content Creator

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.

Philippa Platt

Reviewer: Philippa Platt

Expertise: Chemistry Content Creator

Philippa has worked as a GCSE and A level chemistry teacher and tutor for over thirteen years. She studied chemistry and sport science at Loughborough University graduating in 2007 having also completed her PGCE in science. Throughout her time as a teacher she was incharge of a boarding house for five years and coached many teams in a variety of sports. When not producing resources with the chemistry team, Philippa enjoys being active outside with her young family and is a very keen gardener