describe any three method for preparing acid
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By the reaction between an acidic oxide of a non-metal (acid anhydride) and water. 2. Displacement of a weaker of more volatile acid from its salt by a stronger or less volatile acid. ... Displacement of insoluble sulphide from a metallic salt by hydrogen sulphide.
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By the reaction between an acidic oxide of a non-metal (acid anhydride) and water. 2. Displacement of a weaker of more volatile acid from its salt by a stronger or less volatile acid. ... Displacement of insoluble sulphide from a metallic salt by hydrogen sulphide.
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