Advertisements
Advertisements
प्रश्न
Look at Figure which shows three situations.
Which of these shows a reversible change and why?
पर्याय
A burning candle
An extinguished candle
Melting wax
उत्तर
Melting wax
The correct answer is option (c) the melting wax. Melted wax can be changed into its solid or viscous state on cooling. Therefore, it is a reversible change.
APPEARS IN
संबंधित प्रश्न
Short Answer Type Question:
What happens when sugar is heated?
Circle the odd one.
Circle the odd one.
Circle the odd one.
To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
Change is the ______ of a substance from one form to another.
Dissolving sugar in water is a ______ change.
The burning of the paper is an irreversible change.
Pick the change that can be reversed from the following.
Choose the odd one out. Give reason for your choice.