Acids & Salts (Triple) quiz Loading... 1. What is the pH of a strong acid?6-84-612-140-3Question 1 of 21 Loading... 2. Is ammonia acidic or basic?AcidicDepends on the conditionsBasicNeutralQuestion 2 of 21 Loading... 3. An alkali is called a proton _________An alkali is a proton acceptorAn alkali is a proton donorAn alkali is a proton solventAn alkali is a proton sinkQuestion 3 of 21 Loading... 4. What is defined as a proton acceptor?A baseAn acidAn alkaliAn oreQuestion 4 of 21 Loading... 5. Give the formula of sulfuric acidHSH₂SO₄HSO₄H₂SQuestion 5 of 21 Loading... 6. Can a base neutralise an acid?Only if it is more reactive than hydrogenSometimesYesNoQuestion 6 of 21 Loading... 7. If nitric acid (HNO₃) produces H⁺ ions, what is formula for the other ion?N³⁻ (nitride ion)NO₃⁻ (nitrate ion)O²⁻ (oxide ion)N⁻ (nitride ion)Question 7 of 21 Loading... 8. Is potassium sulfate soluble?noyesslightlyQuestion 8 of 21 Loading... 9. Describe how you would carry out a flame testPut solid onto a wire. Put into a blue flameDissolve solid in acid. Put solution onto wire. Put into an orange flamePut solid onto a wire. Put into an orange flameDissolve solid in acid. Put solution onto wire. Put into an blue flameQuestion 9 of 21 Loading... 10. Describe the method to prepare a pure dry sample of copper sulfate (soluble salt) 1) Heat acid in a beaker. 2) Add base until excess and stir with glass rod. 3) Filter the mixture using filter paper and funnel. 4) Heat the filtered solution (filtrate) until a hot saturated solution forms. 5) Filter and wash with distilled water. 7) Dry by leaving in a warm place.1) Heat acid in a beaker. 2) Add an equal amount of base and stir with glass rod. 3) Filter the mixture using filter paper and funnel. 4) Heat the filtered solution (filtrate) until a hot saturated solution forms. 5) Filter and wash with distilled water. 7) Dry by leaving in a warm place.1) Heat acid in a beaker. 2) Add an equal amount of base and stir with glass rod. 3) Filter the mixture using filter paper and funnel. 4) Heat the filtered solution (filtrate) until a hot saturated solution forms. 5) Allow the solution to cool so that hydrated crystals form. 6) Remove the crystals by filtration and wash with distilled water. 7) Dry by leaving in a warm place.1) Heat acid in a beaker. 2) Add base until excess and stir with glass rod. 3) Filter the mixture using filter paper and funnel. 4) Heat the filtered solution (filtrate) until a hot saturated solution forms. 5) Allow the solution to cool so that hydrated crystals form. 6) Remove the crystals by filtration and wash with distilled water. 7) Dry by leaving in a warm place.Question 10 of 21 Loading... 11. Describe an experiment to prepare a pure, dry sample of an insoluble salt, starting from two soluble reactants1) Mix the two salt solutions together in a beaker. 2) Stir with glass rod. 3) Pour away the liquid 4) Wash with one of the original solutions. 5) Dry by leaving in a warm place.1) Mix the two salt solutions together in a beaker. 2) Stir with glass rod. 3) Filter using filter paper and funnel. 4) Wash with distilled water. 5) Dry by leaving in a warm place.1) Mix the two salt solutions together in a beaker. 2) Stir with glass rod. 3) Pour away the liquid 4) Wash with distilled water. 5) Dry by leaving in a warm place.1) Mix the two salt solutions together in a beaker. 2) Stir with glass rod. 3) Filter using filter paper and funnel 4) Wash with one of the original solutions. 5) Dry by leaving in a warm place.Question 11 of 21 Loading... 12. Describe the test for hydrogen gasTurns damp red litmus paper blueTurns moist litmus paper white (bleaches)Use a lit splint to see if the gas popsRelights a glowing splintQuestion 12 of 21 Loading... 13. When NaOH is added to a sample, the resultant gas turns damp red litmus paper blue. What cation was present in the sample?Copper (II), Cu²⁺Potassium (I), K⁺Calcium (II), Ca²⁺Ammonium, NH₄⁺Question 13 of 21 Loading... 14. Describe the method to prepare a pure dry sample of sodium chloride (soluble salt) 1) Pipette 25cm³ of sodium hydroxide into a conical flask. 2) Do not add indicator. 3) (Using titration values)Titrate the known volume hydrochloric acid into conical flask containing alkali. 4) Transfer to an evaporating basin. 5) Heat the solution until a hot saturated solution forms. 6) Allow the solution to cool so that hydrated crystals form. 7) Remove the crystals by filtration and wash with distilled water. 8) Dry by leaving in a warm place.1) Pipette 25cm³ of sodium hydroxide into a conical flask. 2) Add indicator. 3) (Using titration values)Titrate the known volume hydrochloric acid into conical flask containing alkali. 4) Transfer to an evaporating basin. 5) Heat the solution until a hot saturated solution forms. 6) Allow the solution to cool so that hydrated crystals form. 7) Remove the crystals by filtration and wash with distilled water. 8) Dry by leaving in a warm place.1) Heat hydrochloric acid in a beaker. 2) Add sodium oxide until excess and stir with glass rod. 3) Filter the mixture using filter paper and funnel. 4) Heat the filtered solution (filtrate) until a hot saturated solution forms. 5) Allow the solution to cool so that hydrated crystals form. 6) Remove the crystals by filtration and wash with distilled water. 7) Dry by leaving in a warm place.1) Heat hydrochloric acid in a beaker. 2) Add an equal amount of sodium oxide and stir with glass rod. 3) Filter the mixture using filter paper and funnel. 4) Heat the filtered solution (filtrate) until a hot saturated solution forms. 5) Allow the solution to cool so that hydrated crystals form. 6) Remove the crystals by filtration and wash with distilled water. 7) Dry by leaving in a warm place.Question 14 of 21 Loading... 15. In a flame test, a yellow colour is seen. Give the formula of the cation which is present.Li⁺K⁺Ca²⁺Na⁺Question 15 of 21 Loading... 16. What is the empirical formula of a compound in which 0.48 g of carbon combines with 0.08 g of hydrogen and 0.64 g of oxygen?C₄H₂OCH₂OC₂H₄O₂CH₄OQuestion 16 of 21 Loading... 17. When preparing hydrated copper(II) sulfate crystals starting from copper(II) oxide, why is the acid gently heated?To ensure all the acid has reacted so there is no acid leftTo boil the acidTo increase the concentration of the acidTo speed up the reactionQuestion 17 of 21 Loading... 18. What is an acid?An acid is a compound that reacts with metalsAn acid is a green solutionAn acid is a corrosive substanceAn acid is a source of hydrogen ions, H⁺Question 18 of 21 Loading... 19. 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?barium sulfatebarium bromidebarium chloridebarium carbonateQuestion 19 of 21 Loading... 20. What is the universal indicator colour of a weakly alkali solution?BlueRedGreenYellowQuestion 20 of 21 Loading... 21. What method would be followed to prepare a sample of pure, dry lead (II) sulfate?Combustion methodTitration methodPrecipitation methodExcess solid methodQuestion 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! FacebookXRedditLinkedInTumblrPinterestVkEmail