The mixture made by adding a soluble substance to water.
Aqueous Solution
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Its solution has a pH number of more than 7.
Alkali
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The oxide, hydroxide or carbonate of a metal that will react with an acid, forming a salt as one of the products. They are proton acceptors.
Base
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A sour substance which can attack metal, clothing or skin. The chemical opposite of an alkali. When dissolved in water its solution has a pH of less than 7. They are proton donors.
Acid
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A solution with a pH value of 7 which is neither an acid or an alkaline. Alternatively, something that carries no overall electrical charge- neither positvely nor negatively charged.
Neutral
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The abbreviations used in balanced symbol equations, to show if reactants or products are solid (s), liquid (l), gas (g) or dissolved in water (aq).
State Symbol
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A number which shows how strongly acidic or alkaline a solution is.
pH scale
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A mixture of indicators that can change through a range of colours depending on the pH of a solution. Its colour is matched to a pH number using the pH scale.
Universal Indicator
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A salt is a compound formed when some or all of the hydrogen in an acid is replaced by a metal (or by an ammonium ion).
Salts
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The chemical reaction of an acid with a base in which they cancel each other out, forming a salt and water. If the base is a carbonate or hydrogen carbonate, carbon dioxide is also produced in the reaction.
Neutralisation
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An insoluble solid formed by a reaction taking place in a solution.
Precipitate
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A liquid, containing free-moving ions, that is broken down by electricity in the process of electrolysis.
Electrolyte
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Unreactive
Inert
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The reaction where oxygen is added to a substance (or when electrons are lost).
Oxidation
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An equation that describes reduction or oxidation, such as the reactions that take place at the electrodes during eletrolysis.
Half Equations
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A solution of sodium chloride in water.
Brine
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The process of depositing a thin layer of metal on an object during electolysis.
Electroplating
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Other cards in this set
Card 2
Front
Its solution has a pH number of more than 7.
Back
Alkali
Card 3
Front
The oxide, hydroxide or carbonate of a metal that will react with an acid, forming a salt as one of the products. They are proton acceptors.
Back
Card 4
Front
A sour substance which can attack metal, clothing or skin. The chemical opposite of an alkali. When dissolved in water its solution has a pH of less than 7. They are proton donors.
Back
Card 5
Front
A solution with a pH value of 7 which is neither an acid or an alkaline. Alternatively, something that carries no overall electrical charge- neither positvely nor negatively charged.
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