Name the change as seen in image.
Physical change
Chemical change
Incomplete chemical change
Both physical and chemical change
Rusting of iron is an example of chemical change.
Burning of candle is accompanied by both physical and chemical change. Explain the physical and chemical change involved.
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
Explain physical change and chemical change and physical properties and chemical properties.(explain briefly)