10 Questions
What is the phenomenon exhibited by naphthalene balls at room temperature?
Sublimation
Which statement correctly describes the movement of air molecules?
Air molecules move at a higher speed with large intermolecular spaces.
Why can we smell perfumes several meters away?
Perfumes are light and evaporate quickly into the air.
In terms of forces of attraction between particles, arrange the following in increasing order: water, sugar, oxygen.
Oxygen < sugar < water
What is the physical state of water at 250°C?
Gaseous
Why does the temperature remain constant during a change of state?
The latent heat is used for the change of state.
How can one liquify atmospheric gases?
By increasing pressure or decreasing temperature
What occurs to the water kept in an earthen pot (matka) during summer?
It cools down due to evaporation and porous nature of the pot.
What role does latent heat play in the change of state of matter?
It maintains a constant temperature during the change of state.
What effect does increasing pressure have on gases?
Liquifies them
Test your knowledge on sublimation and intermolecular spaces with this quiz. Learn about the process of sublimation and how molecules in air move at different speeds. Understand how volatile substances like perfumes disperse in the air.
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