Advertisements
Advertisements
Question
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.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?
Long Answer Type Question:
How does curd being set? Is this change reversible?
Circle the odd one.
Formation of curd from milk is
Magnet attracts iron needle.This is ______ change.
To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
Changes which cannot be reversed are called ______.
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
Salt can be separated from its solution (salt dissolved in water), because ______.
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
