Is change of state of matter - a physical or a chemical change. Give reasons.

Classify each of the following, as a physical or a chemical change. Give reasons. (a) Drying of a shirt in the sun. (b) Rising of hot air over a radiator. (c) Burning of kerosene in a lantern. (d) Change in the colour of black tea on adding lemon juice to it. (e) Churning of milk cream to get butter.

Change of state of matter is a physical change, which is reversible.

An example of both physical and chemical change is

Differentiate between Physical and chemical changes

Is burning a physical change or a chemical change ? Why ?

What is a physical change?

State four differences between physical and chemical changes.

Write a note on the effect of a physical as well as a chemical change on a substance. Give an example too.

State whether the following are physical or chemical changes. lightning

Explain the change of state of matter on cooling.