Question 12
The information about substance A is shown below:
• It boils at 200 °C
• It is a solid at 30 °C
• It turns into a liquid at 44 °C
Based on the information above, which of the following statement(s) about substance A is/are correct?
I. It freezes at 150 °C
II. It is a gas at 320 °C
III. It remains at the liquid state at 120 °C
Editorial convention: compare the same pure substance at unchanged pressure.
• It boils at 200 °C
• It is a solid at 30 °C
• It turns into a liquid at 44 °C
Based on the information above, which of the following statement(s) about substance A is/are correct?
I. It freezes at 150 °C
II. It is a gas at 320 °C
III. It remains at the liquid state at 120 °C
Editorial convention: compare the same pure substance at unchanged pressure.