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Question

Beating aluminium to make Aluminium foil is a physical or chemical change?


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Solution

  • Physical changes are the changes where the arrangement of molecules is altered thus the state is getting changed.
  • No new products are being formed and the molecular composition remains unchanged.
  • Thus we can say that in physical changes the chemical properties are not changed.
  • Beating Aluminium metal to make Aluminium foil is a physical change.
  • This is because people can develop their products or the Aluminium foils with the Aluminium sheets during the beating, moulding, heat pressing, and fabrication process.
  • In a chemical change, the molecular composition of the substance is completely altered resulting in the formation of a new product.
  • These changes cannot be reversed, for example burning of wood is a chemical change.
  • Thus beating of Aluminium sheet to make Aluminium foils is not a chemical change.

Therefore, Beating Aluminium to make Aluminium foil is a physical change.


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