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Question

Paper, spirit, branch of a tree, glass tumbler, coin, steel plate, piece of cork, sandpaper, talcum powder, butter, milk, air, copper wire, honey, shampoo, cotton wool, windowpane, soap, dough for chapatti, a lump of plasticine, water, lime juice, oil, smoke, steam, petrol, kerosene, stone, mirror, iron nail, salt, sugar, ice, flour, drinking straw, plastic ruler, cooking gas, aluminum foil, rubber band, oxygen, sand.

Take a lump of plasticine. Mold it into any shape. Does it come back to its original shape on its own? Solids that can be easily shaped and do not come back to their original shape are plastic.

Name another solid from your list which has this property…………………..


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Solution

  • Aluminum foil is a solid which has a definite shape and volume but it can be molded into different shapes by applying pressure.
  • The property applied here is malleability.
  • The property of metals when a metal can be drawn into sheets is called malleability.
  • It varies according to temperature. metals like gold, silver, copper iron, etc exhibit this property.
  • Not all metals undergo this property of malleability.

Hence, the name is another solid from your list which has this property aluminum foil.


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