State whether the following is a physical or a chemical change. Explain by giving a reason.
Heating copper sulphate crystals.
Important Questions on Chemical Changes and Reactions
State whether the following is a physical or chemical change. Explain by giving reason.
Burning cow dung
State whether the following is a physical or chemical change. Explain by giving a reason.
Ripening of fruits.
State whether the following is a physical or chemical change. Explain by giving a reason.
Liquefying of air.
State whether the following is a physical or chemical change. Explain by giving a reason.
Charging of car batteries.
State whether the following is a physical or chemical change. Explain by giving reason.
Growth of a tree.
State whether the following are physical or chemical change. Explain by giving reason.
Burning of paper
State whether the following is a physical or chemical change. Explain by giving a reason.
Drying of wet clothes.
Show that there is no change in a physical change by the example of dissolution of sugar in water.
