Separate the following into physical and chemical changes:

Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing an electric current,

Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water

Classify the following as chemical or physical changes:

• Cutting of trees

• Melting of butter in a pan

• Rusting of almirah

• Boiling of water to form steam

• Passing of electric current through water, and water breaking down into hydrogen and oxygen gas

• Dissolving common salt in water

• Making a fruit salad with raw fruits

• Burning of paper and wood

Why making a fruit salad from raw fruits is a physical change though it cannot be reversed?give proper explanation.