Tests for Positive Ions - GCSE AQA Chemistry

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Positive ions can be tested for in a number of ways. These tests allow us to determine which ion we have in a solution which may be colourless and therefore difficult to label. Here we run through these tests and the results we expect to obtain.

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your videos are very helpful- great for revision!!

fahmidababul
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Thank you for these videos! You are a life saver!

JJ-hezc
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My teacher randomly made us do this practical and never gave a reason

jennay
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Hello SunnyLearning, one of my practice exam questions is to give one reason why the flame test would not show the presence of both potassium ions and calcium ions in a mixture. I am not quite sure of the answer.

candysnow