Key Reactions quiz Loading... 1. What is an alkali?An alkali is a source of hydroxide ions, OH⁻An alkali is a corrosive substanceAn alkali is a compound that reacts with metalsAn alkali is a colourless solutionQuestion 1 of 14 Loading... 2. What do each of the following state symbols represent: (s), (l), (g), (aq)(s) - solid. (l) - liquid. (g) - gas. (aq) - aqueous (in solution)(s) - solution. (l) - liquid. (g) - gas. (aq) - water(l) - solid. (g) - liquid. (s) - gas. (aq) - aqueous (in solution)(s) - solid. (l) - liquid. (g) - gas. (aq) - waterQuestion 2 of 14 Loading... 3. What is the formula for aluminium sulfate?Al₂S₃Al₂(SO₄)₃Al₃(SO₄)₂Al₃S₂Question 3 of 14 Loading... 4. Describe the test for hydrogen gasUse a lit splint to see if the gas popsRelights a glowing splintTurns moist litmus paper white (bleaches)Turns damp red litmus paper blueQuestion 4 of 14 Loading... 5. What is the pH of a neutral solution?107114Question 5 of 14 Loading... 6. Is magnesium oxide acidic or basic?Neutral AcidicDepends on the conditionsBasicQuestion 6 of 14 Loading... 7. When sulfur burns in air, is the oxide acidic or basic?BasicAcidicDepends on conditionsNeutralQuestion 7 of 14 Loading... 8. State the colour of litmus in acidic and alkaline solutionsacidic = pink alkali = colourless acidic = blue alkali = red acidic = red alkali = blueacidic = colourless alkali = pinkQuestion 8 of 14 Loading... 9. How can metal carbonates be used to produce carbon dioxide?Burning them in air releases carbon dioxideThemal Decomposition: when metal carbonates are heated, they break down releasing carbon dioxide. Alternatively, the carbonate can be added to an acid.Reacting with acid releases carbon dioxideReacting with more metal leaves the metal oxide, releasing carbon dioxideQuestion 9 of 14 Loading... 10. What is the universal indicator colour of a weakly alkali solution?RedYellowBlueGreenQuestion 10 of 14 Loading... 11. Are non-metal oxides acidic or basic?NeutralAcidicDepends on conditionsBasicQuestion 11 of 14 Loading... 12. What is a base?A substance which can neutralise an acid, forming salt and water onlyAn unreactive form of an alkali that is used to store itA source of hydroxide ions, OH⁻A compound that reacts with an acid to form hydrogenQuestion 12 of 14 Loading... 13. State the formula for the lead (II) ionPb³⁺Pb²⁻Pb³⁻Pb²⁺Question 13 of 14 Loading... 14. Give the formula of sulfuric acidHSO₄H₂SHSH₂SO₄Question 14 of 14 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz Hydr0Gen2020-02-16T16:28:50+00:00Categories: Uncategorized|Tags: Quiz, Topic: Key Reactions| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail
