Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
- Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. ... In general a physical change is reversible using physical means. For example, salt dissolved in water can be recovered by allowing the water to evaporate.
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Meaning of Physical Change
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
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Answer:
PHYSICAL CHANGE!
- Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. ... In general a physical change is reversible using physical means. For example, salt dissolved in water can be recovered by allowing the water to evaporate.