Advertisements
Advertisements
प्रश्न
Vinu dissolves 50 g of sugar in 250 ml of hot water, Sarath dissolves 50 g of the same sugar in 250 ml of cold water. Who will get a faster dissolution of sugar? and Why?
Advertisements
उत्तर
Vinu will get a faster dissolution of sugar. Because Vinu dissolves 50 g of sugar in 250 ml of hot water, whereas Sarath dissolves 50 g of sugar in 250 ml of cold water. Solubility of a solid in liquid increases with an increase in temperature.
APPEARS IN
संबंधित प्रश्न
Why is water called a universal solvent?
Define:
Saturated solutions
State two factors by which solubility of a solute in a solvent can be increased.
Give a reason why water is considered a universal solvent.
Define the term solution with reference to the addition of sodium chloride to water.
If ‘X’ g. of potassium nitrate is added to 100 g. of water at 60°C and the salt dissolves completely then :
(a) is ‘X’ g. the solubility of potassium nitrate at 60°C.
(b) is the solution formed – saturated or unsaturated
(c) if on addition ‘X’ + ‘Y’ g. of potassium nitrate to the same amount of water at the same temperature and the solute now just remains behind after stirring then –
(d) is the solution now – saturated or unsaturated
(e) is ‘X’ + ‘Y’ g. the solubility of potassium nitrate.
Define the term solute.
Define the term – solvent
Define the term solution.
A homogeneous mixture of two or more substances is called ______.
