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Bases of reactions

Year 10 Terminology

TermDefinition
Acid A substance that releases hydrogen (H+) ions when dissolved in water, tastes sour and has a pH value of less than 7.
Base A substance that releases hydroxide (OH-) ions when dissolved in water, tastes bitter, feels slippery and has a pH value of more than 7.
Alkali A base that is soluble in water.
Concentrated A solution with a lot of solute dissolved in.
Dilute A solution with only a small amount of solute dissolved in it.
pH scale A measure of how acidic or basic a substance is.
Indicator Substances whose solutions change color due to changes in pH, Can identify if a substance is acidic or basic.
Neutralisation Occurs when an acid reacts with a base
Salt Substance produced by the reaction of an acid with a base. Consists of a positive ion and a negative ion forming a compound.
Corrosive Chemically breaks down a substance it comes into contact with.
Malleable Can be bent into shape without breaking or cracking.
Ductile Can be stretched into wires or hammered into thin sheets.
Lustre Shinny in appearance.
Sonorous Makes a ringing sound when hit.
Conductor A material that allows heat or electricity to move through.
Insulator A material that does not allow heat or electricity to move through.
Ion Charged atom
Alloy A mixture of two or more metals and or a metal and non-metal
Created by: Maharaj
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