Which among the following are physical or chemical changes?

CBSE Class 10 CBSE Class 10 Science
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1

Which among the following are physical or chemical changes?

  1. Evaporation of petrol
  2. Burning of Liquefied Petroleum Gas (LPG)
  3. Heating of an iron rod to red hot
  4. Curdling of milk
  5. Sublimation of solid ammonium chloride

Answer:

  1. Physical change
  2. Chemical change
  3. Physical change
  4. Chemical change
  5. Physical change