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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
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
How will you distinguish between conc. HCl and conc. H2SO4?
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
How will you identify?
Sulphur dioxide gas
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 sulphur.
Which property of sulphuric acid accounts for its use as a dehydrating agent?
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
