When a chemical equation is written for the test for sulfate ions, which state symbol is used for the barium chloride solution?
aq\text{aq}aq
g\text{g}g
l\text{l}l
s\text{s}s
Practise Edexcel GCSE Chemistry Qualitative analysis: tests for ions with exam-style questions for Foundation and Higher tier. 127 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.