PDF chapter test TRY NOW
Answer the following question:
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,
• Burning of paper and wood.
• 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,
• Burning of paper and wood.
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