Key Reactions quiz Loading... 1. Are metal oxides acidic or basic?BasicNeutralAcidicDepends on conditionsQuestion 1 of 14 Loading... 2. State the colour of litmus in acidic and alkaline solutionsacidic = red alkali = blueacidic = colourless alkali = pinkacidic = pink alkali = colourless acidic = blue alkali = red Question 2 of 14 Loading... 3. Can a base neutralise an acid?Only if it is more reactive than hydrogenSometimesNoYesQuestion 3 of 14 Loading... 4. acid + metal →acid + metal → salt + water + carbon dioxideacid + metal → salt + hydrogenacid + metal → salt + hydrogen + oxygenacid + metal → salt + waterQuestion 4 of 14 Loading... 5. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)6 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + 2 Cl₂(g)2 HCl(aq) + MnO₂(s) → MnCl₂(aq) + H₂O(l) + Cl₂(g)4 HCl(aq) + 2 MnO₂(s) → 2 MnCl₂(aq) + 2H₂O(l) + Cl₂(g)4 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + Cl₂(g)Question 5 of 14 Loading... 6. If copper chloride has the formula CuCl₂, what is the formula of the copper ion?Cu²⁺Cu²⁻Cu⁺Cu⁻Question 6 of 14 Loading... 7. Is iron (III) hydroxide acidic or basic?Neutral (as metal hydroxides are neutral)Acidic (as metal hydroxides are acidic)Depends on the conditionsBasic (as metal hydroxides are basic)Question 7 of 14 Loading... 8. What is the formula for magnesium carbonate?MgCO₃Mg₃(CO₃)₂Mg(CO₃)₂MgCO₆Question 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 more metal leaves the metal oxide, releasing carbon dioxideReacting with acid releases carbon dioxideQuestion 9 of 14 Loading... 10. Describe the test for carbon dioxide gasTurns moist litmus paper white (bleaches)Relights a glowing splintTurns damp red litmus paper blueBubble the gas through limewater and see if it goes cloudyQuestion 10 of 14 Loading... 11. What is the typical range of the pH scale?0-141-51-200-10Question 11 of 14 Loading... 12. What is an acid?An acid is a green solutionAn acid is a source of hydrogen ions, H⁺An acid is a corrosive substanceAn acid is a compound that reacts with metalsQuestion 12 of 14 Loading... 13. What is the universal indicator colour of a weakly alkali solution?RedYellowGreenBlueQuestion 13 of 14 Loading... 14. Are carbon dioxide and sulfur dioxide acidic or basic?Both are acidic as carbon and sulfur are non-metalsCarbon dioxide is acidic but sulfur dioxide is basicBoth are basic as carbon and sulfur are non-metalsSulfur dioxide is acidic but carbon dioxide is basicQuestion 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
