Question

which is phisical change____​

Answer 1

Answer:

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Explanation:

A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.

Answer 2

Answer : -

Physical Changes are those in which only the form of the substance changes but no new substance are formed. They are usually Reversible. Many of them are irreversible also.

• Melting : It is the process in which a solid changes to liquid . Melting of substance such as ice , butter or chocolate is a physical Change. The reverse of Melting is freezing.

• Dissolving : It is a physical and reversible change . When we dissolve salt in water, they mix together to form salt Solution. We can get the substance back by boiling off the water...