Advertisements
Advertisements
प्रश्न
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
Advertisements
उत्तर
Dilute sulphuric acid liberates carbon dioxide from metallic carbonates and bicarbonates. Carbon dioxide, when bubbled into a test tube containing calcium hydroxide solution, turns it milky.
संबंधित प्रश्न
Potassium sulfite on reacting with hydrochloric acid releases _______ gas. (Cl2, SO2, H2S)
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
Give a chemical test to distinguish between the given pairs of chemicals:
Sodium chloride solution and Sodium nitrate solution
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
How will you identify?
An amphoteric hydroxide
Give a chemical test to distinguish between the following pair of compounds:
Hydrogen chloride gas and hydrogen sulphide gas
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
