Question 8
Look at the figures given below, which show three situations (a) burning candle (b) an extinguished candle (c) melting wax. Which of these shows a reversible change and why?
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