Question

_______ of a substance remains constant when it changes from one state to another at its melting or boiling point.
(a) volume (b) pressure (c) temperature (d) density

Answer 1

Answer:

(c) temperature

is the right answer

Explanation:

When a substance changes from one state to another , the heat supplied to it used to overcome the force of attraction between the particles. That's why the temperature remain constant during changing from one state to another at its melting or boiling point.

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Answer 2

Answer:

Temperatures.

Explanation:

whenever heat supply to substances at constant temperatures.water just start vibrating and kinetic energy speedly increase to Dynamically way...