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WorksheetsQuiz- Latent heat
Total questions: 10
Worksheet time: 10mins
Different solids have ___________melting points.
different
Same
The temperature at which a liquid boils and changes rapidly into a gas at a atmospheric pressure
Melting
Boiling
Condensation
Freezing
The word Latent means
mysterious.
private.
Hidden
unknown.
The __________________ of a liquid is the quantity of heat in joules required to convert 1 kilogram of the liquid (at its boiling point) to vapour or gas, without any change in temperature.
Latent heat of vaporisation
Latent heat of fusion
Higher the melting point of a solid substance, greater will be the __________________ of attraction between its particles.
Force
intermolecular
The aquatic plants use the dissolved carbon dioxide for preparing __________________ by photosynthesis and aquatic animals use the dissolved oxygen of water for breathing.
energy
food
chlorophyll
oxygen
Latent heat does not raise (or increase) the __________________.
force of attraction
space
temperature
motion of the particle
1)the movement of particles is the __________________ in solids, more in liquids and the maximum in gases.
minimum
maximum
The process of changing a __________________ into a solid by cooling is called freezing.
gas
liquid
The process in which a liquid substance changes into a gas rapidly on heating, is called _________
Boiling
Condensation
Melting
Vaporization
