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प्रश्न
A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.
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उत्तर
The two acts lead to the different kind of changes. Shaping of pot on a wheel is a physical, reversible change while baking the pot in an oven is an irreversible change.
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of irreversible changes.
Change is the ______ of a substance from one form to another.
The burning of the paper is an irreversible change.
Name the two types of changes.
The blackening of the Silver anklet is a (an) ______.
An iron ring is heated. Which of the following statement about it is incorrect?
Look at the figure which shows three situations.
Which of these shows a reversible change and why?
Circle the odd one out. Give a reason for your choice.
Circle the odd one out. Give reason for your choice.
Select the odd one out. Give reason for your the choice
