3. Which type of change, physical or chemical, takes place in each of the following cases? Give
reasons for each.
a. Baking a cake
b. Burning of paper
C. Tearing of paper
d. Breaking of glass
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3. Which type of change, physical or chemical, takes place in each of the following cases? Give
reasons for each.
a. Baking a cake
b. Burning of paper
C. Tearing of paper
d. Breaking of glass
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Answer:
a) chemical change
b) chemical change
c.)physical change
d) physical change
Explanation:
a. Baking of cake → chemical change
_____________________
b. Burning of paper → Chemical change
___________________________
c. Tearing of paper → Physical change
___________________________
d. Breaking of glass → physical change.
Key words :
➪ Chemical changes :
➪ Physical changes :