Advertisements
Advertisements
प्रश्न
Select the correct gas from given options which match with the following description:
Turns lead acetate paper from white to silvery black.
विकल्प
CO2
O2
NH3
Water vapour
CI2
H2S
उत्तर
H2S
APPEARS IN
संबंधित प्रश्न
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
How does an increase in temperature affect the solubility of CaSO4 in water?
What is the effect of temperature on the solubility of KNO, and calcium sulphate in water?
Define solubility. Give the main steps with the calculations involved of the method to determine the solubility of a given salt ‘X’ in water.
From the following list of salts: Na2SO4, 10H2O, NaCl, KClO3, NaNO3, Ca(OH)2, NH4Cl, KCI, CaSO4.
State the salts whose solubility decreases with a rise in temperature of the water.
State the reason why boiled water tastes flat.
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.
Name or state the following:
A salt whose solubility decreases with rise in temperature of the solvent water.
