09.1. Choose the correct alternative

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Choose the correct alternative

1. When solid matter becomes a liquid, the process is called







2. When a liquid transforms into a gas, the process is called







3. When a gas becomes a liquid, the process is called







4. When a liquid transforms into a solid, the process is known as







5. How do molecules act in liquid matter?







6. How do molecules act in gaseous matter?







7. How do molecules act in solid matter?







8. Which of the following is the melting point of iron?







9. Which of the following is the melting point of mercury?





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