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Science CBSE Homework Assignments
Class 7
Physical and chemical changes
Changes - Physical & chemical
3.
Physical and chemical change III
Question:
2
m.
1.
Which of the following is a physical change?
Burning of candle
Combustion of magnesium ribbon
Rusting of iron
Melting of wax
2.
Which of the following is a chemical change?
Boiling of water
Twinkling of stars
Cooking of vegetables
Cutting of fruits
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