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प्रश्न
How are the following conversion brought about? Give equation and condition:
Aqueous barium chloride to barium sulphate.
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उत्तर
Aqueous barium chloride to barium sulphate :
Dilute sulphuric acid when added to the aqueous solution of barium form their insoluble sulphates.
\[\ce{BaCl2 + H2SO4 -> BaSO4 v + 2HCl}\]
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संबंधित प्रश्न
What is the name given to the salts of sulphurous acid?
Give reasons for the following:
Sulphuric acid forms two types of salts with NaOH.
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Copy and complete the following table:
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on sodium hydroxide.
Complete the following equations :
C + cons. H2SO4
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Active metal + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
