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प्रश्न
Analogy
Curdling of milk : irreversible change :: Formation of clouds : ________change
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उत्तर
Curdling of milk : irreversible change :: Formation of clouds : reversible change
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संबंधित प्रश्न
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.
Change is the ______ of a substance from one form to another.
Pick the change that can be reversed from the following.
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
Boojho’s sister broke a white dove, a symbol of peace, made of Plaster of Paris (POP). Boojho tried to reconstruct the toy by making a powder of the broken pieces and then making a paste by mixing water. Will he be successful in his effort? Justify your answer.
Give one example of change which occurs on heating but cannot be reversed.
Conversion of ice into water and water into ice is an example of change which can be reversed. Give four more examples where you can say that the changes can be reversed.
Choose the odd one out. Give reason for your choice.
Choose the odd one out. Give reason for your choice.
