Q.

Melting of wax is a _____change.

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a

Physical

b

Chemical

c

Periodic

d

Man-made

answer is A.

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Detailed Solution

Physical change is a type of change where the physical properties of matter change and composition remains the same.

Melting of wax is a temporary change and wax can settle again after cooling and turns into a solid. Here the composition of the substance is the same, only state of matter is changed. So, it is a physical change.

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