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प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sugar.
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उत्तर
When sulphuric acid reacts with sugar, it forms carbon.
\[\ce{\underset{[Conc sugar]}{C12H22O11} ->[conc.H2SO4] \underset{[Sugar Charcoal]}{12C + 11H2O}}\]
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संबंधित प्रश्न
Comment, sulphuric acid is referred to as King of chemicals.
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
Give reason for the following:
When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
How will you identify?
Sulphur dioxide gas
Sulphuric acid is manufactured by the contact process.
Name the catalyst used.
Sulphuric acid is manufactured by the contact process
Name a gas that can be oxidized to sulphur.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the carbon.
