Acids & Salts (Triple) quiz Loading... 1. A pure, dry sample of an insoluble salt can be prepared starting with two soluble reactants. What is this method called?Crystallisation methodPrecipitation methodTitration methodNeutralisation methodQuestion 1 of 21 Loading... 2. How are lithium ions identified, and what is the result?Using a flame test. Flame colour is redUsing sodium hydroxide. Precipitate is blueUsing sodium hydroxide. Precipitate is greenUsing a flame test. Flame colour is greenQuestion 2 of 21 Loading... 3. What is the universal indicator colour of a pH 4-6 solution?GreenPurpleRedYellowQuestion 3 of 21 Loading... 4. If ammonium nitrate NH₄NO₃ contains the NO₃⁻ ion, what is the formula for the other ion?H⁺NH₄⁺ NH₄⁻N³⁻Question 4 of 21 Loading... 5. With universal indicator, what is the pH of a red solution?4-712-148-100-3Question 5 of 21 Loading... 6. Describe how you would carry out a flame testDissolve solid in acid. Put solution onto 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 blue flamePut solid onto a wire. Put into an orange flameQuestion 6 of 21 Loading... 7. Is silver carbonate soluble?noslightlyyesQuestion 7 of 21 Loading... 8. Work out the empirical formula of an oxide of chlorine contains 7.1 g of chlorine and 1.6 g of oxygen. Cl₂O₂Cl₄OCl₄O₂Cl₂OQuestion 8 of 21 Loading... 9. Write the word equation to represent the reaction between copper oxide and sulfuric acidsulfuric acid + copper oxide → copper sulfide + watersulfuric acid + copper oxide → copper sulfate + watersulfuric acid + copper oxide → copper sulfide + hydrogensulfuric acid + copper oxide → copper sulfate + carbon dioxideQuestion 9 of 21 Loading... 10. Which gas will bleach moist litmus paper?Carbon dioxideAmmoniaChlorineHydrogenQuestion 10 of 21 Loading... 11. Which two substances are added when testing for halide ions, and what is the result if they are present?Dilute hydrochloric acid and barium chloride. A gas is given offDilute hydrochloric acid and barium chloride. A precipitate formsDilute nitric acid and silver nitrate. A gas is given offDilute nitric acid and silver nitrate. A precipitate formsQuestion 11 of 21 Loading... 12. What is a base?A compound that reacts with an acid to form hydrogenAn unreactive form of an alkali that is used to store itA source of hydroxide ions, OH⁻A substance which can neutralise an acid, forming salt and water onlyQuestion 12 of 21 Loading... 13. A pure, dry sample of a soluble salt can be prepared starting with an insoluble reactant. What is this method called?Precipitation methodCombustion methodExcess solid methodTitration methodQuestion 13 of 21 Loading... 14. A pure, dry sample of a soluble salt can be prepared starting from an acid and alkali. What are the two stages of this method called?Neutralisation then precipitationNeutralisation then filtrationCombustion then crystallisationTitration then crystallisationQuestion 14 of 21 Loading... 15. What method would be followed to prepare a sample of pure, dry lead (II) sulfate?Titration methodCombustion methodExcess solid methodPrecipitation methodQuestion 15 of 21 Loading... 16. An acid is called a proton _________An acid is a proton acceptorAn acid is a proton solventAn acid is a proton sinkAn acid is a proton donorQuestion 16 of 21 Loading... 17. When preparing hydrated copper(II) sulfate crystals starting from copper(II) oxide, why is an excess of copper (II) oxide added?To ensure there is enough solid left for the impurities to be filtered outTo ensure all the acid has reacted so there is no acid leftTo increase the rate of reactionTo prevent the acid from evaporatingQuestion 17 of 21 Loading... 18. What is defined as a proton acceptor?An acidAn alkaliAn oreA baseQuestion 18 of 21 Loading... 19. What is an alkali compared to a base?Alkalis are bases that are soluble in waterBoth alkalis and bases have pH greater than 7 but only alkalis are corrosiveAlkalis have higher pHs than basesAlkalis are anything with a pH above 7. Bases are only metal oxidesQuestion 19 of 21 Loading... 20. What is the test for iron (II) ions (Fe²⁺) and what is the result?Add NaOH. A green precipitate forms.Flame test. Flame colour is lilacFlame test. Flame colour is redAdd NaOH. A blue precipitate forms.Question 20 of 21 Loading... 21. What is an alkali?An alkali is a corrosive substanceAn alkali is a source of hydroxide ions, OH⁻An alkali is a colourless solutionAn alkali is a compound that reacts with metalsQuestion 21 of 21 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz Hydr0Gen2020-02-16T17:11:05+00:00Categories: Uncategorized|Tags: Quiz, Topic: Acids & Salts| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail