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प्रश्न
True or false
Is the process of digestion a physical change?
विकल्प
True
False
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उत्तर
false
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Melting of butter in a pan
Classify the following changes as physical or chemical: curdling of milk
A burning candle shows both physical and chemical changes. Explain ?
State whether the following is physical or chemical changes.
lightning —
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
True or false
In a physical change no net energy change is involved.
Match the columns.
| 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 |
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
Fill in the blank with the appropriate word of the statement given below:
If a change is permanent and irreversible it is considered a _________ change.
Sublimation of Iodine is a ______.
