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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
Write balanced chemical equations for the action of dilute sulphuric acid on sodium sulphite.
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
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Give a chemical test to distinguish between dilute sulphuric acid and conc. sulphuric acid.
Define the following term : Hygroscopic substance
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with iron (II) sulphide.
