Advertisements
Advertisements
Question
From the following list of salts: Na2SO4, 10H2O, NaCl, KClO3, NaNO3, Ca(OH)2, NH4Cl, KCI, CaSO4.
State the salts whose solubility is fairly independent or slightly increases with a rise in temperature of the water.
Solution
Slightly increases with a rise in temperature
NaCl, KCl, Ca(OH)2 below 70°C.
APPEARS IN
RELATED QUESTIONS
Density of water varies with temperature. What are its consequences?
Give three factors which affect the solubility of a solid solute in a solvent.
Explain why:
Effervescence is seen on opening a bottle of soda water.
Normally, solubility of crystalline solid increases with temperature. Does it increase uniformly in all cases? Name a substance whose solubility:
Increases rapidly with temperature
Normally, solubility of crystalline solid increases with temperature. Does it increase uniformly in all cases? Name a substance whose solubility:
Increases slightly with temperature.
What do you observe when dilute sulphuric acid is added to the following:
Sodium carbonate
Washing soda and iron [III] chloride are separately exposed to the atmosphere. State
- the observations seen
- the phenomenon which occurs
- the reason for the phenomenon occurring in each case.
Would a similar phenomenon occur in case of exposure of common salt. Explain giving reasons.
Give a reason for the following:
Pressure and temperature influence the solubility of gases in water.
Solubility is the amount of solute dissolved in ______ g of solvent.
Define solubility.