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The graph above shows the change in temperature of a substance in a cooling process. The anomaly that shows in the circle is named as
Which of the following is not the precaution steps taken to prevent super cooling?
The diagram above shows the change of temperature of substance X when a solid of substance X is heated. Which of the following statements are correct about the experiment?
The graph shows the change in temperature of a liquid with time. In the beginning, the liquid is cooled to become solid. The solid is then heated again until it becomes liquid. At which state latent heat is absorbed?
Substance X exists as a liquid at a temperature of 85°C. What is the most likely melting point and boiling point of substance X?
|Melting point (oC)||Boiling point (oC)|
The melting point and boiling point of a substance Y is 10°C and 80°C respectively. Which of the statement below is not true about substance Y?
The table below shows the meting point and boiling point of substances P, Q, R and S. Which of the substance is solid at room temperature (25 °C)