A-level chemistry - Tests for ions (group 2), exam question walk through

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Qualitative tests can be used to indicate the presence of certain ions. In this walk through we will look at the reagents, observations and ionic equations associated with group 2 chemistry.

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Question taken from AQA year 1, paper 1, 2017, Q7

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how do we know it barium ion and not strontium? They both form white precipitates with sulfuric acid.

RicochetAQW