Question

Compare the type of change that occurs when a substance melts and when a substance is set on fire. Use complete sentences to justify the type of change that occurs.

Answer 1

Answer:

Melting is a physical change with no change in temperature of the substance while when the object is set on fire, its temperature changes.

Explanation:

Melting cause physical change in any substance. The temperature of the substance remain same but the physical property changes i.e in melting substance changes its state from solid to liquid.

However, in case of setting a substance on fire the temperature changes along with the state of the substance.