Chemistry
What property of conc. H2SO4 is used in the action when sugar turns black in it's presence.
Related Questions
Copy and complete the following table relating to an important industrial process and it's final output.
Name of process Inputs Catalyst Equation for catalyzed reaction Output Contact Process Sulphur dioxide + oxygen Making use only of substances given: dil. sulphuric acid, Sodium carbonate, Zinc, Sodium Sulphite, Lead, Calcium carbonate:
Give equations for the reactions by which you could obtain:
(i) hydrogen
(ii) sulphur dioxide
(iii) carbon dioxide
(iv) zinc carbonate (2 steps)
Write the equations for:
(1) dil. H2SO4 and barium chloride.
(2) dil. H2SO4 and sodium sulphide.
Which property of conc. H2SO4 allows it to be used in the preparation of HCl and HNO3 acids.