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Subjects
Science CBSE
Class 7
Physical and chemical changes
Textbook questions
16.
NCERT Exemplar I
Exercise condition:
2
m.
1.
Which of the following is a physical change?
Burning of candle
Rusting of iron
Melting of wax
Combustion of magnesium ribbon
2.
Which of the following is a chemical change?
Boiling of water
Cooking of vegetables
Cutting of fruits
Twinkling of stars
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