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प्रश्न
Name the following:
A sulphate insoluble in water.
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उत्तर
Anhydrous calcium sulphate
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संबंधित प्रश्न
What is the name given to the salts of sulphurous acid?
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
How will you identify?
Sulphur dioxide gas
Sulphuric acid is manufactured by the contact process.
Why H2SO4 is not obtained by directly reacting SO3 with water?
Sulphuric acid is manufactured by the contact process.
Name the chemical used to dissolve SO3 and also name the product formed. Give all the main reactions to this process.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the NaOH.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Base + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
