give reasons; a; platinum,gold & silver are used to make jewellery. b; sodium,potassium are stored under oil. c; aluminium is highly reactive metal,yet it is used to make utensils for cooking. e; nacl conducts electricity electricity in aqueous solution but not in solid state.
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a) because these are less reactive metal.
b) because these are highly reactive metal and when came in contact with oxygen they catch fire.
b) because these are highly reactive metal and when came in contact with oxygen they catch fire.
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