Advertisements
Advertisements
प्रश्न
Explain the term condensation
उत्तर
Matter can change from solid to liquid to the gaseous state and back to solid-state. This is called a change of state of matter.
Condensation — The process of conversion of vapour into a liquid.
e.g. Water vapour to water.
संबंधित प्रश्न
Mention a change which is always desirable.
What is the (a) common unit of temperature, and (b) SI unit of temperature ?
What is the name of the process in which a gas turns directly into a solid ?
Explain why, ice at 0° C is more effective in cooling than water at the same temperature.
Which contains more heat, 1 kg of ice of 0° C or 1 kg of water at 0° C ? Give reason for your answer.
Define the following term Melting.
A substance which can change its state
Explain the term melting point
Why does this happen?
Coconut oil thickens in winter.
State whether the following statement is true or false. If false write the correct statement.
During a chemical change the composition of the original substance is not altered and the change is irreversible.
