1. What is the test for copper (II) ions (Cu²⁺) and what is the result?

Question 1 of 10

2. Nitric acid and silver nitrate are added to a solution containing iodide ions. Describe the result.

Question 2 of 10

3. How are lithium ions identified, and what is the result?

Question 3 of 10

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

Question 4 of 10

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

Question 5 of 10

6. Give the name of the blue precipitate formed when sodium hydroxide is added to a solution containing Cu²⁺

Question 6 of 10

7. How are calcium ions identified, and what is the result?

Question 7 of 10

8. Which two substances are added when testing for halide ions, and what is the result if they are present?

Question 8 of 10

9. In a flame test, why is hydrochloric acid used?

Question 9 of 10

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

Question 10 of 10


 

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