StoichiometryMoles and Molar Mass2646Choose the best answerWhich sample has the greatest mass?A2 mol CO₂B2 mol O₂C2 mol N₂D1 mol O₃ Like 0 Discuss 0Share
StoichiometryLimiting Reagent2647Choose the best answerEach sandwich requires 2 slices of bread and 1 shami. If 20 bread slices and 8 shamies are available, the limiting ingredient is:AShamiesBSandwichesCBread slicesDNone of these Like 0 Discuss 0Share
Chemistry of HydrocarbonsKolbe's Electrolysis of Dicarboxylate Salts2648Choose the best answerKolbe's electrolysis of a saturated dicarboxylate salt can mainly produce:AAlkaneBAlkeneCAlkyneDAlcohol Like 0 Discuss 0Share
Chemistry of HydrocarbonsKolbe's Electrolysis2649Choose the best answerKolbe's electrolysis is carried out using an aqueous solution of:AAlcoholsBSodium or potassium salts of carboxylic acidsCAldehydesDKetones Like 0 Discuss 0Share
StoichiometryVapour Density and Molar Mass2650Choose the best answerTwo moles of a gas X have a mass of 44 g. Its vapour density relative to H₂ is:A44B22C11D5.5 Like 0 Discuss 0Share