Chemistry
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)
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Identify the following substance : Liquid E can be dehydrated to product ethene.
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 What property of conc. H2SO4 is used in the action when sugar turns black in it's presence.
Write the equations for:
(1) dil. H2SO4 and barium chloride.
(2) dil. H2SO4 and sodium sulphide.