Question

An apple is cut into pieces and different candles are made from molten wax. What similarities do you find in the changes happened in both the cases? Write the definition of such changes​

Answer 1

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Answer 2

The similarities we find in the changes that happened in both cases are-

• In both cases, the state of matter of wax and apple is not changed.
• The physical properties of apple and wax are not changed in both cases. There is no chemical reaction that occurred in both cases.

Definition of changes is-

• Irreversible change- In this type of change, we cannot convert back the substance to its original form. For example- when an apple is cut into pieces, it cannot be reversed.
• Reversible change- In this type of change, the substance can be converted back into its original form. For example- when different candles are made from molten wax, we can convert them back into wax.