Question

Which one of the following is a physical change?
A) Burning of coal B) Burning of wood C) Heating of a platinum crucible D) Heating of potassium chlorate

Answer 1

Answer:

A) burning of coal :) hope this is helpful for u

Answer 2

Option C is correct.

If Platinum is heated it undergoes physical change unless the platinum reacts with oxygen or other gases in the flame.

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