Edexcel GCSE 9-1 COMBINED SCIENCE CC8 ACIDS AND ALKALIS DEFINITIONS

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Created by: jordanbh2018
Created on: 09-07-17 15:51

Solvent

A substance that dissolves a solute

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Soluble

dissolves in a liquid

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Solute

substance that dissolves in another substance known as a solute

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Solubility

Measurement of how much a substance will dissolve in a given volume of liquid

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Neutralisation

a reaction between an acid and a base making salt and water

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insoluble

does not dissolve in a liquid

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Acid

Makes H+ ions in solution PH less than 7

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Alkali

Makes OH- ions in solution PH greater than 7

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base

will nutrilise a acid but unlike an alkali it will not dissolve in water

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strong acid

an acid that completely breaks down into H+ ions

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Weak acid

an acid that only partly breaks down into H+ ions

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indicator

a substance that changes colour when added to acidic or alkaline solutions

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a measure of the H+ ion concentration, one ph unit corresponds to a 10 fold change in concentration

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Other cards in this set

Card 2

Front

dissolves in a liquid

Back

Soluble

Card 3

Front

substance that dissolves in another substance known as a solute

Back

Card 4

Front

Measurement of how much a substance will dissolve in a given volume of liquid

Back

Card 5

Front

a reaction between an acid and a base making salt and water

Back

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Edexcel GCSE 9-1 COMBINED SCIENCE CC8 ACIDS AND ALKALIS DEFINITIONS