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Mathematics 9 Online
OpenStudy (anonymous):

Substance A has a freezing/melting point of 21 degrees C. Substance B has a freezing/melting point of 65.5 degrees C. Substance C has a freezing/melting point of 10 degrees C. Substance D has a freezing/melting point of -25 degrees C. Which substances would be in a sold state at 20 degrees C? Which substance would be in a liquid state at 5 degrees C?

OpenStudy (cwrw238):

solid B would be solid at 20 C wouldn't it?

OpenStudy (anonymous):

no it would be either liquid or gas

OpenStudy (anonymous):

substance D is also solid

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