0620/23/M/J/18 Q20


Question 20: Which methods are suitable for preparing both zinc sulfate and copper(II) sulfate ?


  1. Reacting the metal oxide with warm dilute aqueous sulfuric acid
  2. Reacting the metal with dilute aqueous sulfuric acid
  3. Reacting the metal carbonate with dilute aqueous sulfuric acidCher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution
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