Question

1. 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.
at
ting the things​

Answer 1

Answer:

• 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 the water breaking down into hydrogen and oxygen gases - chemical change
• dissolving common salt in water - chemical change
• making a fruit salad with raw fruits - physical change
• burning of paper and wood - physical ghange