Heating of a sugar is a _______ change
chemical
physical
natural
reversible
No new substance is formed during the process. Hence, it is an example of a physical change
Question 8
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a: (a) physical change that can be reversed (b) chemical change that can be reversed (c) physical change that cannot be reversed (d) chemical change that cannot be reversed
Water cycle is a natural change.Classify it as a physical or chemical change and reversible or irrerviersible change .Justify your statement.
Question 4
Characteristic 1: properties of a substance change.
Characteristic 2: physical changes are reversible in nature.
Photosynthesis is a physical or chemical change; reversible or Irreversible.
Clotting of blood is a physical or chemicalchange; reversible or Irreversible.
Liberation of oxygen occurs in the process of what
Inflation of a balloon is a physical or chemicalchange; reversible or Irreversible