Is cutting of paper into pieces a chemical or physical change and reversible or irreversible change?
Cutting of paper into pieces is a physical and an irreversible change.
Which of the following can be classified into physical and chemical change? Also mention whether it's a reversible or irreversible change
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
Four students have their own opinion about reversible and irreversible changes. Who among the following is correct?
Rohan: Both physical and chemical changes are reversible.
Sam: Both physical and chemical changes are irreversible.
Tom: Physical changes are irreversible and chemical changes are reversible.
Riah: Chemical changes are irreversible and physical changes are reversible
Is tearing of paper a reversible change or irreversible change
Give reason:
(a)Freezing of water to ice and evaporation of water are physical changes.
(b)Burning of a candle is both a physical and a chemical change.
(c)Burning of paper is a chemical change.
(d)Cutting of a cloth piece is a physical change, though it cannot be reversed.