Advertisements
Advertisements
Question
Tick (√) the correct alternative from the choice given for the following statement.
When you put some ice cubes in a glass, droplets of water are formed on the outer wall of the glass. This explains the phenomenon of
Options
melting
freezing
condensation
evaporation
Solution
condensation
APPEARS IN
RELATED QUESTIONS
For any substance, why does the temperature remain constant during the change of state?
Mention a change which is always desirable.
What do you observe when :
ime is dissolved in water.
Dissolving salt in water is a reversible change.
The boiling point of alcohol is 78° C. What is this temperature on Kelvin scale ?
What is the common name of solid carbon dioxide ?
Fill in the following blank with suitable words :
Temp on Kelvin scale = Temp on Celsius scale + ........................
Which contains more heat, 1 kg of water at 100° C or 1 kg of steam at 100° C ? Give reason for your answer.
Define 'melting point' of a substance ? What is the melting point of ice
Define the following term Melting.
Draw a labelled diagram of the experimental set-up to study the latent heat of fusion of ice.
Define the term 'latent heat of vaporisation' of a liquid. What is the value of the latent heat of vaporisation of water ?
What is sublimation ? Name two substances (other than ammonium chloride) which undergo sublimation.
Which of the following represent the suitable conditions for the liquefaction of gases ?
When water is cooled to a temperature x, it gets converted into ice at temperature x by a process called P. And when ice at temperature x is warmed, it gets reconverted into water at the same temperature x in a process called Q.
- What is the value of temperature x in Kelvin ?
- What is the process P known as ?
- What is the name of energy released during process P ?
- What is the process Q known as ?
- What is the name of energy absorbed during process Q ?
Define the following terms: Melting point
Define the following terms: Liquefaction
Differentiate between: Miscible and immiscible liquids.
Why does a candle become smaller on burning with time?
Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.
During vaporization, the liquid particles ____________ energy.
