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प्रश्न
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
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उत्तर
Examples of irreversible changes.
- Milk into curd
- Burning of wood
- Ripening of fruits
- Digestion of food
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संबंधित प्रश्न
Long Answer Type Question:
How does curd being set? Is this change reversible?
An example for reversible change is
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
Periodical removal of one of the products of a reversible reaction increases the yield.
Changes which cannot be reversed are called ______.
The burning of the paper is an irreversible change.
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?
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
Give one example of change which occurs on cooling but can be reversed.
Choose the odd one out. Give reason for your choice.
