How do we prepare salt
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Preparation of Salts
Reaction 1: Acid + alkali → salt + water.
Reaction 2: Acid + metal → salt + hydrogen.
Reaction 3: Acid + base → salt + water.
Reaction 4: Acid + metal carbonate → salt + water + carbon dioxide.
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Salts are prepared by reacting an acid with a metal or a base, such as a metal carbonate, hydroxide or oxide. The acid provides the non-metal ion for the salt, e.g. chloride or sulphate or nitrate ions. The metal or base provides the metal ion for the salt, e.g. sodium or copper.
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