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Give  reason:

          1-Iron is metal element.

          Because it has luster and good conductor of electricity.


          2-Sulphur is a non-metal element.

          Because it hasn't luster and bad conductor of electricity.

          3-Bridges and car frame are made of iron. Foil papers are made

          of aluminum.

          Because it can be bent and hammered.
          4-Electric wires are made of copper.

          Carbon (graphite) is used in making positive poles of dry

          cells.

          -Because aluminum is good conductor of heat.

          5--The handles of cooking pans are made of plastic.
          Because plastic is bad conductor of heat.

          6-Jewels are made of gold or silver.

          Because they are shiny and can be shaped easily

          6--Cooking pots are made of aluminum.

          Because it is good conductor of electricity.
          Bridges and car chassis are made of metals

          Because metals can be bent and hammered



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