Question

heating a pt wire is a chemical change or a physical change​

Answer 1

Answer:

Unless the platinum reacts with oxygen or other gases in the flame, it undergoes a physical change. All you've done is heat up the wire without causing any chemical bonds to change. The metal may have a phase change, but that is also physical.

brilliant pls

Answer 2

Answer:

it's a physical change ...

Explanation:

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