1. 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 1 of 10

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

Question 2 of 10

3. Describe the test for bromide ions

Question 3 of 10

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

Question 4 of 10

5. What is the test for iron (III) ions (Fe³⁺) and what is the result?

Question 5 of 10

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

Question 6 of 10

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

Question 7 of 10

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

Question 8 of 10

9. When NaOH is added to a sample, the resultant gas turns damp red litmus paper blue. What cation was present in the sample?

Question 9 of 10

10. When testing a sample for ions, hydrochloric acid and then barium chloride are added to a sample. A white precipitate forms. What is the name of that precipitate?

Question 10 of 10


 

Related Posts: