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 the water breaking down into hydrogen and oxygen gases, • dissolving common salt in water, • making a fruit salad with raw fruits, and • burning of paper and wood.

 Cutting of trees → Physical change

 Melting of butter in a pan → Physical change

 Rusting of almirah → Chemical change

 Boiling of water to form steam → Physical change

 Passing of electric current through water, and water breaking down into

hydrogen and oxygen gas → Chemical change

 Dissolving common salt in water → Physical change

 Making a fruit salad with raw fruits → Physical change

 Burning of paper and wood → Chemical change