1. How are sodium ions identified, and what is the result?

Question 1 of 10

2. When testing a sample for ions, hydrochloric acid and then barium chloride are added to a sample. A white precipitate forms. What ions have been shown to be present?

Question 2 of 10

3. Describe how you would carry out a flame test

Question 3 of 10

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

Question 4 of 10

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

Question 5 of 10

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

Question 6 of 10

7. What 2 things are added to a solution to test for chloride ions? What is observed if they are present?

Question 7 of 10

8. Write a word equation for the reaction between sodium hydroxide and iron(II) sulfate

Question 8 of 10

9. What is the test for NH₄⁺ ions and what is the result?

Question 9 of 10

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

Question 10 of 10


 

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