Question

15 POINTS!!

An unknown substance is heated from 10 °C to 25 °C. The table below shows the state of the substance at different temperatures.

Which statement is correct about the unknown substance?
Its melting point is 17 °C.
Its melting point is 15 °C.
The substance sublimes at 15 °C.
The substance exists as a gas at 17 °C.

Answer 1

Which statement is correct about the unknown substance?

Its melting point is 17 ° C.

Answer 2

Hello !

Quelle affirmation est correcte à propos de la substance inconnue?

Son point de fusion est de 17 ° C.