Q64 of 400 Page 134

Name one metal which displaces silver from silver nitrate solution and one which does not.

one metal which displaces silver from the silver nitrate solution is copper and again the other metal which do not do so is gold.

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64 Name one metal more reactive and another less reactive than hydrogen. 64 Name one metal which displaces copper from copper sulphate solution and one which does not.

Solution||| the one metal which displaces copper from copper sulphate solution is zinc. Zinc displaces copper fro the solution of copper sulphate Solution|||The one metal which do not do so is mercury. As mercury do not displace copper from copper sulphate

 65 State any three differences between the physical properties of metals and non-metals. 65 State three reasons (of which at least one must be chemical) for believing that sulphur is a non- metal.