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प्रश्न
Give reason for the following:
When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
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उत्तर
When barium chloride is added to dilute sulphuric acid, a white precipitate of barium sulphate is
\[\ce{BaCl2 + H2SO4 -> BaSO4 v + 2HCl}\]
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संबंधित प्रश्न
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Define the following term : Hygroscopic substance
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Why is sulphuric acid known as king of chemicals and oil vitriol ?
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Iron (II) sulphate from iron.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
