Describe an acid - An acid has a pH below 7 (e.g. 1) and gives out H+ ions, Describe an alkali - An alkali has a pH above 7 (e.g. 14) and gives out OH- ions, Acid + alkali --> - --> salt + water, Acid + metal --> - --> salt + hydrogen, Acid + carbonate --> - --> salt + water + carbon dioxide, Hydrochloric acid makes... - Chloride salts, Sulfuric acid makes - Sulfate salts, Nitric acid makes... - Nitrate salts, A base is... - ...a substance that neutralises an acid, An alkali is... - A soluble base, What are metal hydroxide and oxides? - Metal hydroxides (e.g. sodium hydroxide) are alkalis. Oxides (e.g. copper oxide) are insoluble bases.,

Acids and Alkalis

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