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प्रश्न
Analogy
Dissolution of glucose : reversible change :: Digestion of food: ___________ change
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उत्तर
Dissolution of glucose: reversible change:: Digestion of food: irreversible change
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संबंधित प्रश्न
An example for reversible change is
Formation of curd from milk is
Magnet attracts iron needle.This is ______ change.
When a candle is lit the following changes are observed.
- Wax melts.
- Candle keeps burning.
- The size of the candle decreases.
- The molten wax solidifies
- Which of the changes can be reversed? Justify your answer
Change is the ______ of a substance from one form to another.
Dissolving sugar in water is a ______ change.
Salt can be separated from its solution (salt dissolved in water), because ______.
A piece of iron is heated till it becomes red-hot. it then becomes soft and is beaten to a desired shape. What kind of changes are observed in this process-reversible or irreversible?
Paheli had bought a new bottle of pickle from the market. She tried to open the metal cap to taste it but could not do so. She then took a bowl of hot water and immersed the upper end of the bottle in it for five minutes. She could easily open the bottle now. Can you give the reason for this?
Give one example of change which occurs on cooling but can be reversed.
