Advertisements
Advertisements
प्रश्न
How is ammonia gas liquefied ?
उत्तर
Ammonia gas can be liquefied by applying high pressure and lowering the temperature i.e. by compression and cooling, respectively.
APPEARS IN
संबंधित प्रश्न
State one condition necessary to liquefy gases (other than applying high pressure).
Which contains more heat, 1 kg of water at 100° C or 1 kg of steam at 100° C ? Give reason for your answer.
If the temperature of an object is 268 K, it will be equivalent to :
Write whether the following statement is true or false:
There is no difference between evaporation and boiling
Name the phenomenon which causes the following changes:
Formation of water vapour from water
Name the phenomenon which causes the following changes:
Conversion of water into steam
Explain the term boiling point
State whether the following statement is true or false. If false write the correct statement.
During physical changes, the composition of the original substance is not altered, but the properties of the original substance are altered.
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.
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 liquefaction, the particles ________ energy.
