Along with ferrous sulphate what other chemical is added in order to bring about precipitation?

Along with ferrous sulphate what other chemical is added in order to bring about precipitation? Correct Answer Lime

Along with ferrous sulfate, lime is generally added to bring about precipitation. This is done in order to increase the pH. Ferric hydroxide precipitates are formed only at very high pH.

Related Questions

In which type of chemical reaction do crystals of ferrous sulphate lose water on heating and the colour of the crystals changes from light green to white?
The chemical formula of ferrous sulphate crystals is . . . . . . . .?