Classify the following as chemical or physical changes:
• 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
