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Which property helps understand temperature effect on state of matter?

Answer and explanation

Correct answer: Melting point and boiling point

Temperature can change the state of matter, and melting point and boiling point help us describe when important state changes occur. The melting point is the temperature at which a solid changes into a liquid under stated conditions. The boiling point is the temperature at which a liquid changes into a gas. These values show how a substance responds to heating and help identify its physical behaviour.

Option A is correct because both properties are directly connected with changes of state. Taste, name, and price do not tell us when a substance melts or boils. The word “only” in the other choices also makes them unsuitable, since those properties have no role in measuring state-change temperatures. Therefore, melting point and boiling point provide the useful scientific information.

Related tags

ChemistryNature-Of-MatterClass-11

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