violet liquid materials has heated while heating temperature varies at different time interval the material can be inferred as
A. Mixture
B. Subdtance
C. Element
D. Compound
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The term change of phase means the same thing as the term change of state. The change of phase always occurs with a change of heat. However the temperature does not change. When we heat a solid, the energy supplied is used to increase the kinetic energy of its molecules, and thereby its temperature increases.
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