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प्रश्न
An iron ring is heated. Which of the following statement about it is incorrect?
पर्याय
The ring expands.
The ring almost comes to the same size on cooling.
The change in this case is reversed.
The ring changes its shape and the change cannot be reversed.
उत्तर
The ring changes its shape and the change cannot be reversed.
Explanation -
The ring expands on heating and comes back to its original size on cooling. The change is reversible.
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of irreversible changes.
An example for reversible change is
Which is reversible change?
Changes which cannot be reversed are called ______.
Touch me not plant: ______:: digestion of food: Irreversible change.
Which of the following change cannot be reversed?
While lighting a candle, Paheli observed the following changes.
- Wax was melting
- Candle was burning
- Size of the candle was reducing
- Melted wax was getting solidified. of the above, the changes that can be reversed are
Which of the following changes cannot be reversed?
- Blowing of a balloon
- Folding paper to make a toy aeroplane
- Rolling a ball of dough to make roti
- Baking cake in an oven
- Drying a wet cloth
- Making biogas from cow dung
- Burning of a candle
Find the odd one out and give reason for your choice.
Choose the odd one out. Give a reason for your choice.
