
Check for understanding for a lesson on heating curve
Quiz by Hassanali Thurakkal
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10 questions
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- Q1What happens to a substance during the melting phase on a heating curve?The substance changes from liquid to gas.The substance changes from solid to liquid.The substance remains a solid.The substance cools down.30s
- Q2During which part of the heating curve does a substance boil?During the solidification phase.During the boiling phase.During the freezing phase.During the condensation phase.30s
- Q3What does the flat part of the heating curve represent?Decrease in temperature.A phase change.Increase in temperature.A chemical reaction.30s
- Q4What occurs to the temperature of a substance during the heating phase before it begins to melt?The temperature decreases.The temperature stays the same.The temperature increases.The temperature freezes.30s
- Q5What occurs at the melting point on a heating curve?The liquid turns into a solid.The gas condenses into a liquid.The temperature stops changing.The solid begins to turn into a liquid.30s
- Q6What does the heating curve indicate about the energy of the substance as it heats up?The energy decreases.The energy stays the same.The energy disappears.The energy of the substance increases.30s
- Q7What happens to the energy of a substance during the freezing phase?The substance gains energy.The substance explodes.The substance loses energy.The energy remains constant.30s
- Q8What can you conclude about the temperature of a substance during the phase change from liquid to gas?The temperature fluctuates wildly.The temperature decreases rapidly.The temperature remains constant while it changes phase.The temperature increases steadily.30s
- Q9Which of the following best describes what happens during the condensation phase on a heating curve?The substance changes from solid to gas.The substance remains a gas.The substance changes from gas to liquid.The substance cools down without changing state.30s
- Q10When does a substance reach its boiling point on a heating curve?When the temperature remains constant while it changes from liquid to gas.When the substance is solid.When the substance is cooling down.When the temperature is increasing.30s