Advertisements
Advertisements
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.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?
Short Answer Type Question:
What happens when sugar is heated?
Formation of curd from milk 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
Pick the change that can be reversed from the following.
Rolling of chapati and baking of chapati are the changes that ______.
Can we reverse the following change? If yes, suggest the name of the method.
Water vapour into water
Can we reverse the following change? If yes, suggest the name of the method.
Curd into milk
Choose the odd one out. Give a reason for your choice.
Choose the odd one out. Give reason for your choice.
