Question

1.
Define the following terms.
(a) Reversible change
(b) Chemical change
(c) Physical change​

Answer 1

Explanation:

1. Reversible change are those change which can reversable in nature such as water to ice and ice to water.

2. Chemical change are those change whose chemical properties is different from it before like milk to curd.

3. Physical change are those change which is change in our physical properties such as rusting of iron.

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Answer 2

Answer:

1. Reversible change :

Reversible change is a physical change which can be undone. The product turned again into a original product

without making new substance is called Reversible change.

2. Physical Change :

Physical change is the change which is done only in the physical properties of a substance.

3. Chemical Change :

Chemical change is the change in the composition of the substance with respect to various parameters like temperature.

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