Classify the following into physical or chemical changes:-
A. A glass bottle breaking
B. Making a cake
C. Tearing of paper
D. Formation of cloud
E. Drying of clothes
F. Formating of rust

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Solution

1. Breaking of glass bottle is physical change.
2. Formation of cake is physical change.
3. Tearing of paper is physical change.
4. Formation of clouds is chemical change.
5. Drying of clothes is physical change.
6. Formation of rust is chemical change.

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(iii) making a cake
(iv) wool being knitted into a sweater

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Q. Assertion: Tearing of paper is a physical change, although it cannot be reversed.
Reason: Chemical change is a reaction involving the change in chemical properties or composition, resulting in the formation of a new substance.

Classify the following as chemical or physical changes:

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Classify the following into physical or chemical changes:- A. A glass bottle breaking B. Making a cake C. Tearing of paper D. Formation of cloud E. Drying of clothes F. Formating of rust

1. Breaking of glass bottle is physical change. 2. Formation of cake is physical change. 3. Tearing of paper is physical change. 4. Formation of clouds is chemical change. 5. Drying of clothes is physical change. 6. Formation of rust is chemical change.

Classify the following into physical or chemical changes:-
A. A glass bottle breaking
B. Making a cake
C. Tearing of paper
D. Formation of cloud
E. Drying of clothes
F. Formating of rust

1. Breaking of glass bottle is physical change.
2. Formation of cake is physical change.
3. Tearing of paper is physical change.
4. Formation of clouds is chemical change.
5. Drying of clothes is physical change.
6. Formation of rust is chemical change.