Chemistry, 09.11.2020 06:50 bluedolphin9042

7. Which of the following is always true when a substance undergoes a phase change? *
O A. The molecules keep moving at the same average speed.
B. The substance becomes a liquid as it heats up.
C. The melting point of the substance changes.
D. The substance is made up of the same type of molecules.

Answers: 1

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7. Which of the following is always true when a substance undergoes a phase change? *
O A. Th...

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7. Which of the following is always true when a substance undergoes a phase change? * O A. The molecules keep moving at the same average speed. B. The substance becomes a liquid as it heats up. C. The melting point of the substance changes. D. The substance is made up of the same type of molecules.

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Another question on Chemistry

7. Which of the following is always true when a substance undergoes a phase change? *
O A. The molecules keep moving at the same average speed.
B. The substance becomes a liquid as it heats up.
C. The melting point of the substance changes.
D. The substance is made up of the same type of molecules.