Chemistry
Select the correct answer from the choice in brackets.
- The oxidised product obtained when sulphur reacts with conc. H2SO4. [H2S/SO2/H2SO3].
- The dehydrated product obtained when cane sugar reacts with conc. H2SO4. [CO/C/CO2]
- The type of salt formed when excess of caustic soda reacts with sulphuric acid. [acid salt / normal salt]
- The reduced product obtained when hydrogen sulphide reacts with conc. H2SO4. [SO2/S/H2O]
- The salt which reacts with dil. H2SO4 acid to give an insoluble ppt. [Cu(NO3)2/Zn(NO3)2/Pb(NO3)2]
Sulphuric Acid
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Answer
- SO2
- C
- Normal salt
- SO2
- Pb(NO3)2
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Related Questions
Give a test to distinguish dilute sulphuric acid from dilute HCl and dilute HNO3.
State three different chemical compounds other than acids manufactured industrially from sulphuric acid.
- Give a balanced equation for the conversion 'A'.
- The gaseous mixture of the product of conversion 'A' and air contains dust particles as an impurity. Name another impurity in the same mixture.
- Is the conversion 'B' an exothermic or an endothermic reaction. Would lowering the temperature favour or retard the forward reaction.
- If the product of conversion 'B' is an acid anhydride of H2SO4, the anhydride of conversion 'A' is …………… .
- State why water is added for the conversion 'D' and not for the conversion 'C'
Give balanced equations for the following reactions using sulphuric acid.
- Formation of a black mark on a piece of wood on addition of conc. H2SO4 to it.
- Oxidation of a foul smelling acidic gas, heavier than air and fairly soluble in H2O by conc. H2SO4.
- Formation of an acid salt from sulphuric acid and (a) an alkali (b) a sodium salt.
- Formation of a hydrocarbon from an organic compound
- Formation of sulphur dioxide using a metal below hydrogen in the activity series.