A physical change is a change to a sample of matter in which some properties of the material change, but the identity of the matter does not. In a reversible physical change, the original form of the matter can be restored. In an irreversible physical change, the original form cannot be restored.
A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another. The size or shape of matter may be changed, but no chemical reaction occurs.
Explanation:
A physical change is a change to a sample of matter in which some properties of the material change, but the identity of the matter does not. Physical changes can further be classified as reversible or irreversible. The melted ice cube may be refrozen, so melting is a reversible physical change.
Answers & Comments
Answer:
A physical change is a change to a sample of matter in which some properties of the material change, but the identity of the matter does not. In a reversible physical change, the original form of the matter can be restored. In an irreversible physical change, the original form cannot be restored.
Answer:
A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another. The size or shape of matter may be changed, but no chemical reaction occurs.
Explanation:
A physical change is a change to a sample of matter in which some properties of the material change, but the identity of the matter does not. Physical changes can further be classified as reversible or irreversible. The melted ice cube may be refrozen, so melting is a reversible physical change.
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