Question

Glowing of a platinum wire when heated is a physical change

Answer 1

It is a physical change. A physical change involves changing a substance only in its appearance, smell, taste, feel, or sound. A chemical change involves changing what makes up the substance or the way the substance reacts with other substances. When a normal platinum wire is placed over a flame, it glows. This is a physical change because the things that make up the platinum have not been changed, but the appearance has changed.

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Answer 2

Answer:

Physical chage

Explanation:

Because no new subastance is formed,no change in composition