Advertisements
Advertisements
प्रश्न
Look at the figure which shows three situations.
Which of these shows a reversible change and why?
पर्याय
A burning candle
An extinguished candle
Melting wax
Advertisements
उत्तर
Melting wax
Explanation:
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?
Long Answer Type Question:
How does curd being set? Is this change reversible?
Circle the odd one.
Water changes into ice on cooling is an example of ______.
Most of the physical changes are ______.
Dissolving sugar in water is a ______ change.
The burning of the paper is an irreversible change.
Rusting of iron is a reversible change.
Pick the change that can be reversed from the following.
Boojho’s sister broke a white dove, a symbol of peace, made of Plaster of Paris (POP). Boojho tried to reconstruct the toy by making a powder of the broken pieces and then making a paste by mixing water. Will he be successful in his effort? Justify your answer.
