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प्रश्न
Comment, sulphuric acid is referred to as King of chemicals.
उत्तर
Sulphuric acid is called the King of Chemicals because there is no other manufactured compound that is used by such a large number of key industries.
Some uses of sulphuric acid are:
- It is used as a laboratory reagent.
- In the manufacture of explosives, metallurgy.
- In storage batteries.
- In dyes and drugs.
- In the refining of petroleum.
- In fertillizers.
- To prepare other acids, etc.
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संबंधित प्रश्न
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on zinc sulphide.
Fill in the blank with appropriate word/words :
Oil of Vitriol is ___________
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
Name the following:
A sulphate insoluble in water.
What property of conc. \[\ce{H2SO4}\] is made use of the following case? Give an equation for the reaction on the same:
Its reaction with ethanol.
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:
- Typical acid
- Dehydrating agent
- Non-volatile acid
- Oxidizing agent
- \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
- \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
- \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
- \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
- \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation. Each illustrates the above-mentioned properties of sulphuric acid.
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Base + Acid → ______ + ______
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
