Question

what is the basic difference between physical and chemical change

Answer 1

Hey buddy,

In a physical change, the molecules are rearranged while their actual composition remains same. In a chemical change, the molecular composition of a substance completely changes and a new substance is formed. Some example of physical change are freezing of water, melting of wax, boiling of water, etc.

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Answer 2

☆Here is your answer☆

There are several differences between physical and chemical change.
~Physical change:
●Physical change refers to a change in which the molecules are rearranged but their I internal composition remains same.
●Tearing of paper, melting/freezing of water, cutting of tress etc.
●It is reversible.
●It can be recovered.
●No new product is formed in it.

~Chemical change:
●Chemical change is a process in which substance transforms into a new substance, having different chemical composition.
●Burning of paper/wood/paper, rusting of iron,etc.
●It is irreversible.
●It cannot be recovered.
●New product is formed in it.

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