cm22 - 1/11/07 Acids and Alkalis Learning Objectives To...

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1/11/07 Acids and Alkalis Learning Objectives To know that solutions can be sorted by whether they are: acid, alkali or neutral. To understand that an alkali reacts with an acid to cancel it out. To know that indicators show you how acidic or alkaline a solution is.
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Acids and alkalis Solutions can be sorted by whether they are: acid, alkali or neutral. When a substance dissolves in water it makes a solution.
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When the oxide of some non-metals dissolve in water they make an acid. Acids have a sour taste. They are corrosive.
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Acids react with metals and carbonates. Metal + Acid Salt + Hydrogen magnesium + magnesium chloride + hydrochloric acid hydrogen Acid + Carbonate Salt + Water + Carbon dioxide sulphuric acid + copper sulphate + water + copper carbonate carbon dioxide
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Lemon juice contains citric acid, and vinegar contains ethanoic acid. Some strong acids are hydrochloric acid, sulphuric acid and nitric acid. Some weak acids
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This document was uploaded on 02/06/2011.

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cm22 - 1/11/07 Acids and Alkalis Learning Objectives To...

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