Advertisements
Advertisements
प्रश्न
Explain why:
Lakes and rivers do not suddenly freeze in the winters.
Advertisements
उत्तर
Lakes and rivers do not freeze suddenly in winters because of the high specific latent heat of solidification, i.e. the amount of heat released when 1 g of water solidifies to form 1 g of ice at 0°C. It is about 336 J/g or 80 cal/g.
APPEARS IN
संबंधित प्रश्न
Give two example of Solvent other than water.
Why is sea water salty ?
Discuss the importance of water as a solvent for plants.
What do you mean by solubility of a solute in a solvent ?
What are the observations and conclusions when tap water is boiled and evaporated in watch glass?
In which of the following substances will there be
Decrease in mass
What is soap? For what is it used?
Why does the hardness of water render it unfit for use in a boiler.
Name the gas that:
Does not affect acidified K2Cr2O7 paper but turns lime water milky.
Give a reason why boiled water tastes flat.
