Testing for Ions quiz Loading... 1. When NaOH is added to a sample, a brown precipitate forms. What cation was present in the sample?Iron (III), Fe³⁺Iron (II), Fe²⁺Potassium (I), K⁺Calcium (II), Ca²⁺Question 1 of 10 Loading... 2. Write a word equation for the reaction between sodium hydroxide and iron(II) sulfatesodium hydroxide + iron (II) sulfate → iron (II) hydroxide + sodium sulfitesodium hydroxide + iron(II) sulfate → iron (III) hydroxide + sodium sulfitesodium hydroxide + iron(II) sulfate → sodium hydroxide + iron (II) sulfatesodium hydroxide + iron(II) sulfate → iron (II) hydroxide + sodium sulfateQuestion 2 of 10 Loading... 3. In the flame test for copper (II) ions what colour is the result?YellowBlue-greenLilacRedQuestion 3 of 10 Loading... 4. How are calcium ions identified, and what is the result?Using sodium hydroxide. Precipitate is greenUsing a flame test. Flame colour is orange- redUsing a flame test. Flame colour is yellowUsing sodium hydroxide. Precipitate is blueQuestion 4 of 10 Loading... 5. 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.CO₃²⁻Cl⁻Br⁻SO₄²⁻Question 5 of 10 Loading... 6. In the test for sulfate ions, what result shows they are present?A white precipitate is formedlimewater goes cloudybubbles formcream precipitateQuestion 6 of 10 Loading... 7. Describe how you would carry out a flame testDissolve solid in acid. Put solution onto wire. Put into an blue flamePut solid onto a wire. Put into an orange flamePut solid onto a wire. Put into a blue flameDissolve solid in acid. Put solution onto wire. Put into an orange flameQuestion 7 of 10 Loading... 8. Describe the test for bromide ionsAdd dilute nitric acid and silver nitrate and see if a cream precipitate of silver bromide is formed.Add nitric acid and see if carbon dioxide bubbles formAdd dilute HCl, followed by barium chloride (BaCl₂) and see if a white precipitate formsAdd dilute nitric acid and silver nitrate and see if a yellow precipitate of silver bromide is formed.Question 8 of 10 Loading... 9. In a flame test, a orange-red colour is seen. Give the formula of the cation which is present.Na⁺Ca²⁺Li⁺K⁺Question 9 of 10 Loading... 10. When NaOH is added to a sample, the resultant gas turns damp red litmus paper blue. What cation was present in the sample?Ammonium, NH₄⁺Copper (II), Cu²⁺Calcium (II), Ca²⁺Potassium (I), K⁺Question 10 of 10 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz Hydr0Gen2020-03-01T15:25:48+00:00Categories: Uncategorized|Tags: Quiz, Topic: Acids & Salts| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail