17 Questions
What is the temperature in Kelvin at 0°C?
273 K
Which of the following is an example of sublimation?
Ice changing directly into water vapor
What is more effective in cooling?
Ice at 273 K
What is the ratio of mass and volume?
Density
Which of the following is not matter?
Humidity
Which of the following is the correct process for the conversion of a gas to a liquid?
Condensation
Which temperature scale has no negative temperatures?
Kelvin
Which of the following substances undergoes sublimation?
Iodine
What factor affects the rate of diffusion?
Temperature
At what temperature does dry ice exist?
minus 78.5°C
Which phase change involves a conversion from a solid to a liquid?
Fusion
What is the change of state from a liquid to a vapour called?
Evaporation
Which factor affects the rate of evaporation?
Temperature
What is the process called when a solid changes directly to a gas?
Sublimation
What is the temperature at which a substance melts?
Melting point
What is the state of matter of dry ice?
Solid
What is the result of increasing the pressure of a gas at a constant temperature?
Increase in collision among gaseous molecules
Test your knowledge on states of matter and phase changes with this quiz. Questions cover topics such as evaporation, inter-particle forces, melting point, and freezing point.
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