Q. Which one of the following is a physical change?

  • (A) Heating of potassium chlorate
  • (B) Heating of a platinum crucible
  • (C) Burning of coal
  • (D) Burning of wood
✅ Correct Answer: (B) Heating of a platinum crucible

Published by Ram Sharma ⭐ 193.88K Points at 08-Mar-2022 07:21 pm in Physics

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