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प्रश्न
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
पर्याय
physical change
chemical change
endothermic change
exothermic change
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उत्तर
When a woolen yarn is knitted to get a sweater, the change can be classified as physical change.
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संबंधित प्रश्न
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
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| Column A | Column B |
| 1. a change which cannot be easily reversed | a. man-made change |
| 2 a change that repeats itself at regular intervals | b. chemical chang |
| 3. a change that is made by humans | c. physical change |
| 4. a change in which the original substance cannot be obtained | d. periodic change |
| 5. a change where no new substance is formed | e. irreversible change |
| f . slow change |
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