Q10) Which of the following methods are suitable for preparing both zinc sulfate andcopper sulfate?i Reacting the metal oxide with warm dilute aqueous sulfuric acid.ii Reacting the metal with dilute aqueous sulfuric acid.iii Reacting the metal carbonate with dilute aqueous sulfuric acid.A i and ii onlyB i and iii onlyC ii and iii onlyD i only

Q2) What is the correct sequence of steps for the preparation of a pure sample ofcopper(II)sulfate crystals from copper(II)oxide and sulfuric acid?A dissolving → crystallisation → evaporation → filtrationB dissolving → evaporation → filtration → crystallisationC dissolving → filtration → crystallisation → evaporationD dissolving → filtration → evaporation → crystallization

b) Write a word equation for the reaction of dilute sulphuric acid with [3]i) Zincii) Sodium hydroxideiii) Sodium carbonatec) Which reaction in part (b) is not a neutralization ?Which type of reaction is this ? Explainwhy

Which of the following methods to prepare a salt can be achieved using a burette and a pipette? A Nitric acid and calcium carbonate to prepare calcium nitrate. B Sulfuric acid and copper(II) oxide to prepare copper(II) sulfate. C Hydrochloric acid and zinc to prepare zinc chloride. D Hydrochloric acid and potassium hydroxide to prepare potassium chloride

b) Write a word equation for the reaction of dilute sulphuric acid with [3]i) Zincii) Sodium hydroxideiii) Sodium carbonat

) Write a word equation for the reaction of dilute sulphuric acid with [3]i) Zincii) Sodium hydroxideiii) Sodium carbonate