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प्रश्न
What is reversible change?
एका वाक्यात उत्तर
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उत्तर
Changes which can be reversed are called reversible change.
Eg: melting of ice.
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of reversible changes.
Short Answer Type Question:
What is a physical change? Explain with example.
Chemical reactions are example for
Circle the odd one.
Circle the odd one.
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
To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
Look at the figure which shows three situations.
Which of these shows a reversible change and why?
Give one example of change which occurs on mixing two substances, but cannot be reversed.
Select the odd one out. Give reason for your the choice
