1. In a flame test, a blue-green colour is seen. Give the formula of the cation which is present.

Question 1 of 10

2. When testing for halide ions, after silver nitrate is added to a sample a cream precipitate is formed. Give the formula of the anion present in the sample.

Question 2 of 10

3. Describe how you would carry out a flame test

Question 3 of 10

4. In a flame test, a lilac colour is seen. Give the formula of the cation which is present.

Question 4 of 10

5. Give the name of the brown precipitate formed when sodium hydroxide is added to a solution containing Fe³⁺

Question 5 of 10

6. In a flame test, a yellow colour is seen. Give the formula of the cation which is present.

Question 6 of 10

7. Give the name of the green precipitate formed when sodium hydroxide is added to a solution containing Fe²⁺

Question 7 of 10

8. In the test for carbonate ions, what result shows they are present?

Question 8 of 10

9. When NaOH is added to a sample, a brown precipitate forms. What cation was present in the sample?

Question 9 of 10

10. When testing a sample of potassium chloride, nitric acid and then silver nitrate is added. Describe the result, and name the substance formed.

Question 10 of 10


 

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