Glowing of an electric bulb is:
All the above
Reversible change
Chemical change
Irreversible change
Glowing of an electric bulb is a reversible change.
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
Which of the following can be classified into physical and chemical change? Also mention whether it's a reversible or irreversible change