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प्रश्न
What do you observe when barium chloride solution is added to dilute sulphuric acid?
What happens when barium chloride reacts with dilute H2SO4? Write a balanced chemical equation of the reaction involved.
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उत्तर
When barium chloride solution is added to dilute sulphuric acid, a white precipitate of barium sulphate is formed. The precipitate is insoluble in dil. Hydrochloric acid.
\[\ce{BaCl2 + H2SO4 -> BaSO4 v + 2HCl}\]
संबंधित प्रश्न
Why is water not added to concentrated H2SO4 in order to dilute it?
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
Define the following term : Hygroscopic substance
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
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.
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
Convert the following reaction into a balanced chemical equation:
Sodium hydroxide to sodium sulphate using sulphuric acid.
