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Which of these is an example of a physical property? A. Iron rusts when exposed to air. B. Table salt is a white crystal. C. Sodium oxidizes in air. D. Potassium ignites when placed in water.


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Respuesta :

Table salt is a white crystal.

Explanation:

  • Iron rusts when exposed to air,Sodium oxidizes in air,Potassium ignites when placed in water.
  • These all are irreversible reaction .

What is physical change ?

  • When a substance change its physical state
  • No new chemical is formed
  • Examples :- Boling of water, melting of solids, shredding of paper.