Advertisements
Advertisements
Question
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
Advertisements
Solution
The following changes are irreversible:
d. Baking cake in an oven.
f. Making biogas from cow dung.
g. Burning of a candle.
APPEARS IN
RELATED QUESTIONS
Very Short Answer Type Question:
Give two examples of reversible changes.
What is reversible change?
What are reversible changes?
Rolling of chapati and baking of chapati are the changes that ______.
Look at the figure which shows three situations.
Which of these shows a reversible change and why?
A piece of iron is heated till it becomes red-hot. it then becomes soft and is beaten to a desired shape. What kind of changes are observed in this process-reversible or irreversible?
Can we reverse the following change? If yes, suggest the name of the method.
Water vapour into water
Give one example of change which occurs on heating but cannot be reversed.
Find the odd one out and give reason for your choice.
Choose the odd one out. Give a reason for your choice.
