The entire quiz question bank (Double only)! This quiz pulls questions at random from the entire Double-only question-bank Loading... 1. Explain why nitrogen gas, N₂, is a gas at room temperatureNitrogen has a simple molecular structure with weak intermolecular forces that require little energy to overcomeNitrogen has a giant covalent structure with many strong covalent bonds which require a lot of energy to overcomeNitrogen has a giant covalent structure with many weak covalent bonds which require little energy to overcomeNitrogen has a simple molecular structure with strong intermolecular forces that require a lot of energy to overcomeQuestion 1 of 10 Loading... 2. What gas makes up around 1% of Earth's atomosphere?carbon dioxideoxygenchlorineargonQuestion 2 of 10 Loading... 3. What 2 things are added to a solution to test for chloride ions? What is observed if they are present?Add dilute nitric acid and barium chloride. A white precipitate of silver chloride is formedAdd dilute hydrochloric acid and silver nitrate. A white precipitate of silver chloride is formedAdd dilute hydrochloric acid and barium chloride. A white precipitate of silver chloride is formedAdd dilute nitric acid and silver nitrate. A white precipitate of silver chloride is formed.Question 3 of 10 Loading... 4. What colour flames to sulfur, carbon and magnesium produce when they burn in air?Sulfur = orange, Carbon = yellow/orange, Magnesium = whiteSulfur = orange, Carbon = yellow/orange, Magnesium = greenSulfur = blue, Carbon = yellow/orange, Magnesium = whiteSulfur = blue, Carbon = yellow/orange, Magnesium = greenQuestion 4 of 10 Loading... 5. Suggest how the reactivity of fluorine compares to chlorineFluorine is more reactive than chlorine because it has a lower boiling pointFluorine is less reactive than chlorine because it is more volatileFluorine is less reactive than chlorine as it is more stable as an elementFluorine is more reactive than chlorine as it is higher in the group.Question 5 of 10 Loading... 6. Give two reasons why addition polymers are hard to dispose ofThey are inert as they have weak C-C bonds. This makes them non-biodegradeable. Also, they produce toxic gases when burned.They are inert as they have strong C-C bonds. This makes them non-biodegradeable. Also, they produce toxic gases when burned.They are inert as they have strong C-C bonds. This makes them biodegradeable. Also, they produce toxic gases when burned.They are inert as they have weak C-C bonds. This makes them biodegradeable. Also, they produce toxic gases when burned.Question 6 of 10 Loading... 7. State 3 properties that makes aluminium suitable for power cablesDuctile (can be drawn into a wire), good conductor and low densityDuctile (can be drawn into a wire), bad conductor and lightDuctile (can be drawn into a wire), bad conductor and low densityDuctile (can be drawn into a wire), good conductor and lightQuestion 7 of 10 Loading... 8. Calculate the relative formula mass(Mr) of cobalt chloride crystals (CoCl₂.6H₂O)158238169130Question 8 of 10 Loading... 9. In a chemical reaction, the overall molar enthalpy is +87 kJ/mol. Is this reaction exothermic or endothermic?ExothermicEndothermicDepends on the temperature of the surroundingsDepends on the reagentsQuestion 9 of 10 Loading... 10. If nitric acid (HNO₃) produces H⁺ ions, what is formula for the other ion?N³⁻ (nitride ion)N⁻ (nitride ion)NO₃⁻ (nitrate ion)O²⁻ (oxide ion)Question 10 of 10 Loading... Related Posts:The entire quiz question bank!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quizAlcohols & Carboxylic Acids quiz Hydr0Gen2022-03-09T21:20:41+00:00Categories: Uncategorized|Tags: Quiz| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail
