Advertisements
Advertisements
प्रश्न
What do you observe when dilute sulphuric acid is added to the following:
Sodium carbonate
Advertisements
उत्तर
When dilute sulphuric acid is added to sodium carbonate, the corresponding salt, sodium sulphate, and water are formed and carbon dioxide gas is evolved.
\[\ce{H2SO4 + Na2CO3 -> Na2SO4 + H2O + CO2}\]
APPEARS IN
संबंधित प्रश्न
Why does temperature in Mumbai and Chennai not fall as low as it does in Delhi?
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 slightly with temperature.
Select the correct gas from given options which match with the following description:
Turns cobalt chloride paper from blue to pink.
Select the correct gas from given options which match with the following description:
Turns lead acetate paper from white to silvery black.
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.
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.
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.
