The entire quiz question bank! This quiz pulls questions at random from the entire 1100+ question-bank Loading... 1. Describe the test for hydrogen gasRelights a glowing splintTurns moist litmus paper white (bleaches)Use a lit splint to see if the gas popsTurns damp red litmus paper blueQuestion 1 of 10 Loading... 2. What is the formula of the iodide ion?I⁷⁺I¹⁻I²⁻I¹⁺Question 2 of 10 Loading... 3. What is the formula of aluminium oxide?Al₃OAl₃O₂AlO₃Al₂O₃Question 3 of 10 Loading... 4. An experiment investigates which of metals X and Z is more reactive. The result is X + ZSO₄ → X + ZSO₄. Which metal is more reactive?XXSO₄ZSO₄ZQuestion 4 of 10 Loading... 5. What is the formula for strontium phosphide?Sr₃P₂SrP₃Sr₂P₃Sr₂PQuestion 5 of 10 Loading... 6. Which is less reactive: sodium or potassium?Depends on the pressureDepends on the temperatureSodiumPotassiumQuestion 6 of 10 Loading... 7. What happens when something freezes?Freezing is the change of state when a substance cools from gas to liquidFreezing is the change of state when a substance cools from liquid to solidFreezing is the change of state when a substance heats up from liquid to gasFreezing is the change of state when a substance heats up from solid to liquidQuestion 7 of 10 Loading... 8. Write the ionic half-equation for the reaction that takes place at the cathode during the electrolysis of lead(II) bromidePb²⁺ +2e⁻ → Pb2Br⁻ → Br₂ + 2e⁻2Br⁻ + 2e⁻ → Br₂Pb²⁺ → Pb + 2e⁻ Question 8 of 10 Loading... 9. sulfuric acid + copper oxide →sulfuric acid + copper oxide → copper sulfate + carbon dioxidesulfuric acid + copper oxide → copper sulfide + hydrogensulfuric acid + copper oxide → copper sulfate + watersulfuric acid + copper oxide → copper sulfide + waterQuestion 9 of 10 Loading... 10. What is the unit of solubility?m s⁻¹⁰C per 100 g of solventg of solute per 50 g of solventg of solute per 100 g of solventQuestion 10 of 10 Loading... Related Posts:The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quizAlcohols & Carboxylic Acids quiz Hydr0Gen2022-03-09T21:22:06+00:00Categories: Uncategorized|Tags: Quiz| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail