State whether the following is a physical or chemical change.
Burning of sugar
Important Questions on Physical and Chemical Changes
State whether the following is a physical or chemical change.
Heating of water.
State whether the following is a physical or chemical change.
Growing of a piglet into a pig.
State whether the following is a physical or chemical change.
Burning of wood.
State whether the following is a physical or chemical change.
Passing an electric current through a heaters' rod.
State whether the following is a physical or chemical change.
Water cycle in nature.
State whether the following is a physical or chemical change.
Respiration in living beings.
State whether the following is a physical or chemical change.
Shaping a piece of glass.
State whether the following is a physical or chemical change.
Lightning.
