Advertisements
Advertisements
Question
An iron ring is heated. Which of the following statement about it is incorrect?
Options
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
Solution
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
RELATED QUESTIONS
An example for reversible change is
Formation of curd from milk is
Differentiate reversible and irreversible reactions.
What are reversible changes?
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Can we reverse the following change? If yes, suggest the name of the method.
Curd into milk
Give one example of change which occurs on mixing two substances, but cannot be reversed.
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
Find the odd one out. Give reason for your choice.
Choose the odd one out. Give reason for your choice.
