1.

We observe that some portion of wax (in candle) melts and other portion of it is used in producing heat and light. Statement A: The melting of wax is a physical change Statement B: The burning of wax for the production of heat and light is a chemical change. State which of the statement(s) is/are true.

Answer»

We observe that some portion of wax (in candle) melts and other portion of it is used in producing heat and light.
Statement A: The melting of wax is a physical change
Statement B: The burning of wax for the production of heat and light is a chemical change.
State which of the statement(s) is/are true.




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