States of Matter
5 past-paper questions on States of Matter · examined 2018–2023.
20234 questions
Give the name of the change when a liquid becomes a gas.
Use Figure 2 to give the temperature of the substance at 4 minutes.
Use Figure 2 to give the time when the substance has completely changed into a gas.
The temperature of the substance at A was 25 °C. Calculate the temperature rise of the substance from A to D.
20181 question
Changes of state between the three states of matter are shown in Figure 11. The changes shown are physical changes. Explain why these changes are called physical changes rather than chemical changes.
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