an extension worksheet to guide students in writing symbol equations for displacement reactions
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full of errors
Too many errors. Sulphuric acid gives sulphate (not sulphide) salts. <br />The formulae of the acids are called "symbols" <br />No explanation of how to deal with metals which could have more than one valency, even though Cu nd Fe are used. <br />A balanced equation does not have "the same amount of substances each side" <br />etc.
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