Advertisements
Advertisements
प्रश्न
Explain why:
Ice at zero degrees centigrade has greater cooling effect than water at 0oC.
उत्तर
Ice at 0°C gives more cooling effect than water at 0°C because at 0°C ice absorbs 336 J per gram of energy to melt to 0°C water.
APPEARS IN
संबंधित प्रश्न
'Water is the universal solvent'. Comment.
Explain why:
Lakes and rivers do not suddenly freeze in the winters.
Explain why:
The solute cannot be separated from a solution by filtration.
In which of the following substances will there be
Increase in mass
Why does the hardness of water render it unfit for use in a washing purposes.
Select the correct answer of the following statement:
The medium of dissolution which allows the solute to dissolve in it.
State why ‘Water is considered a universal solvent’. Give the reason for the same.
Give a reason for the following.
Water is a universal solvent.
Aquatic plants make use of dissolved ______ for photosynthesis.
Explain the importance of dissolved salts in water.