CHEMISTRY- which of the following is a true statement about thephysical change?
(A)physical changes are temporary
(B)during physical changes the composition of consstituents olecule changes.
(C) energy is absorbed or released during a physical change
(D) identity of the substance is lost after the physical
Answers
Answer:
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Answer:
A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.Physical changes can be reversed, chemical changes cannot be reversed with the substance changed back without extraordinary means, if at all. For example, a cup of water can be frozen when cooled and then can be returned to a liquid form when heated.\
Hence statement is true.
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