The entire quiz question bank (Double only)! This quiz pulls questions at random from the entire Double-only question-bank Loading... 1. What is crude oil?A mixture of hydrocarbonsA mixture of alkanesA mixture of alcoholsAn oily liquidQuestion 1 of 10 Loading... 2. What is the formula for potassium hydroxide?K₂OHK(OH)₃KOHK(OH)₂Question 2 of 10 Loading... 3. Describe how to carry out an acid-alkali titration1) Pipette 25cm³ of alkali into a conical flask. 2) Add indicator. 3) Fill a burette with acid, record the initial volume. 4) Whilst swirling the flask, add the acid dropwise until the indicator is just about to change colour. 5) Record the volume and calculate the volume of acid which was added. 6) Repeat until two concordant results (within 0.2cm³ of each other). 7) Result is the average of all concordant results.1) Pipette 25cm³ of alkali into a conical flask. 2) Add indicator. 3) Fill a burette with acid, record the initial volume. 4) Whilst swirling the flask, add the acid dropwise until the indicator is just about to change colour. 5) Record the volume and calculate the volume of acid which was added. 6) Repeat until three concordant results (within 0.2cm³ of each other). 7) Result is the average of all concordant results.1) Pipette 25cm³ of alkali into a conical flask. 2) Add indicator. 3) Fill a burette with acid, record the initial volume. 4) Whilst swirling the flask, add the acid dropwise until the indicator changes colour. 5) Record the volume and calculate the volume of acid which was added. 6) Repeat until three concordant results (within 0.2cm³ of each other). 7) Result is the average of all concordant results.1) Pipette 25cm³ of alkali into a conical flask. 2) Add indicator. 3) Fill a burette with acid, record the initial volume. 4) Whilst swirling the flask, add the acid dropwise until the indicator changes colour. 5) Record the volume and calculate the volume of acid which was added. 6) Repeat until two concordant results (within 0.2cm³ of each other). 7) Result is the average of all concordant results.Question 3 of 10 Loading... 4. State the formula of the hydrogen ionH₃O⁻H⁻H₃O⁺H⁺Question 4 of 10 Loading... 5. Identify the species that is oxidised in the following reaction. Explain your answer: 2Br⁻ + Cl₂ → 2Cl⁻ + Br₂Bromine. Gains electronsBromine. Loses electronsBromide. Loses electronsChlorine. Gains electronsQuestion 5 of 10 Loading... 6. What is the problem with burning addition polymers to dispose of them?They are not flammableThey produce toxic gases when burned.They are non-biodegradableThey explode when burntQuestion 6 of 10 Loading... 7. State 5 observations when sodium reacts with water1) fizzing occurs 2) sodium moves around 3) sodium goes white 4) sodium disappears 5) sodium floats1) fizzing occurs 2) sodium moves around 3) sodium melts 4) sodium disappears 5) sodium floats1) fizzing occurs 2) sodium moves around 3) sodium goes white 4) sodium disappears 5) sodium sinks1) fizzing occurs 2) sodium moves around 3) sodium melts 4) sodium disappears 5) sodium sinksQuestion 7 of 10 Loading... 8. What is the name of this molecule?but-1-enepent-2-enebut-2-eneprop-1-eneQuestion 8 of 10 Loading... 9. Is calcium hydroxide soluble?yesnoslightlyQuestion 9 of 10 Loading... 10. State the conditions needed for the manufacture of ethanol by the fermentation of sugars.Temp: 300°C, Catalyst: zymase (enzyme found in yeast), Aerobic conditions, i.e oxygen presentTemp: 300°C, Catalyst: zymase (enzyme found in yeast), Anaerobic conditions, i.e no oxygenTemp: 30°C, Catalyst: zymase (enzyme found in yeast), Anaerobic conditions, i.e no oxygenTemp: 30°C, Catalyst: zymase (enzyme found in yeast), Aerobic conditions, i.e oxygen presentQuestion 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
