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

Question 1 of 10

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

Question 2 of 10

3. In the test for sulfate ions, what two substances are added to the sample?

Question 3 of 10

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

Question 4 of 10

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

Question 5 of 10

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

Question 6 of 10

7. When testing for halide or sulfate ions, why is acid added added first?

Question 7 of 10

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

Question 8 of 10

9. When testing a sample of lithium bromide, nitric acid and then silver nitrate is added. Describe the result, and name the substance formed.

Question 9 of 10

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

Question 10 of 10


 

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