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प्रश्न
Mention three areas in which H2SO4 plays an important role.
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उत्तर १
Sulphuric acid is an important industrial chemical and is used for a lot of purposes. Some important uses of sulphuric acid are given below.
(i) It is used in fertilizer industry. It is used to make various fertilizers such as ammonium sulphate and calcium super phosphate.
(ii) It is used in the manufacture of pigments, paints, and detergents.
(iii) It is used in the manufacture of storage batteries.
उत्तर २
It is used in the manufacture of fertilizers such as (NH4)2 SO4 , calcium superphosphate.
It is used as an electrolyte in storage batteries.
It is used in petroleum refining, detergent industry and in the manufacture of paints, pigments and dyes
संबंधित प्रश्न
Complete the following equations:
\[\ce{C + conc{.} H2SO4 ->}\]
Why is `K_(a_2) "<<" K_(a_1)` for `H_2SO_4` in water?
Describe the manufacture of H2SO4 by contact process?
Write balanced equations for NaCl is heated with sulphuric acid in the presence of MnO2
What is the action of concentrated sulphuric acid on phosphorous pentachloride
When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas (A) was evolved. This gas intensified when copper turnings were added to this test tube. On cooling, the gas (A) changed into a colourless solid (B).
1) Identify (A) and (B).
2) Write the structures of (A) and (B).
3) Why does gas (A) change to solid on cooling?
Give balanced chemical equations for Sulphuric acid is treated with hydrogen sulphide
Write chemical reactions for different steps in the manufacture of sulphuric acid by lead chamber process. Draw the structure of phosphorous pentachloride
Complete and balance the following equations:
S+H2SO4(conc.) →
Write the formula for pentaamminechlorocobalt (III) sulphate.
Gas 'X' is prepared by treating sodium sulfite with dilute sulfuric acid. When gas 'X' is oxidised by dioxygen in presence of vanadium (V) oxide, gas 'Y' is formed. Identify X and Y.
The sulfuric acid obtained by contact process is ____________ % pure.
What is the ratio of volumes of gases involved in the preparation of sulphur trioxide from sulphur dioxide and dioxygen respectively under similar conditions of temperature and pressure?
Hot conc. \[\ce{H2SO4}\] acts as the moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following element is oxidised by conc. \[\ce{H2SO4}\] into two gaseous products?
Which of the following statements are correct?
(i) S – S bond is present in \[\ce{H2S2O6}\].
(ii) In peroxosulphuric acid \[\ce{(H2SO5)}\] sulphur is in +6 oxidation state.
(iii) Iron powder along with \[\ce{Al2O3}\] and \[\ce{K2O}\] is used as a catalyst in the preparation of \[\ce{NH3}\] by Haber’s process.
(iv) Change in enthalpy is positive for the preparation of \[\ce{SO3}\] by catalytic oxidation of \[\ce{SO2}\].
The oxidation number of sulphur in Na2S4O6 is:-
What is the catalyst used for the oxidation of SO2 to SO3 in the lead chamber process for the manufacture of sulphuric acid?
