Write the equations for : - dil H_(2)SO_(4) & barium chloride . (ii) ] dil . H_(2)SO_(4) & sodium sulphide.

Name - The gas produced on reaction of dilute sulphuric acid with a metallic sulphide .

Identify the following substance : - Liquid E can be dehydrated to produce ethene .

Give the equation for . (i) Heat on sulphur with conc . H_(2)SO_(4) .ii ]Reaction of - suger with conc . H_(2)SO_(4).

Give a balanced equation for the conversion of zinc sulphate to zinc carbonate.