prepare index cards for four metal and four non-metals and write their physical and chemical properties
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Metals 1. Iron : making alloy 2. Silver : making ornaments 3. Copper : Making electrical cables 4. Uranium : In producing energy through nuclear reactions Non-Metals 1. Chlorine : used as bleaching agent 2. oxygen : inhailig purpose / life saving gas 3. Carbon : as lubricant in form of graphite 4. Nitrogen : making fertilizers
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