The Student Room Group

**Proposed Answers to planning Questions** Share ur Thoughts

Q1 Distinguish Between Sulphates and Carbonates using a given acid only ?

Q2 A mixture made mostly of sodium chloride was contaminated with sodium iodide and sodium bromide. Find which one it was contaminated with?

For Question 1

There will be no other chemicals used or given so u cant use the mthod of ion tests you have add acid test the evolvevd gas or heat the solid i dunno

For Question 2

i have no idea how to do it what chemicals or apparatus will be given or is there other way to do it than simple ion test?

if u have anyother ideas or other planning question plz share it now ASAP only 14 hrs left for me!! or if u know how to solve Q1 and Q2 other than ion test s plz post a reply:biggrin:
Reply 1
Q2 is definitely not the planning exercise since it has been a question in the past..about the one with carbonates and sulphates i have no idea..

Latest