StoichiometryGram-Atom and Mole Concept866Choose the best answerWhat mass is present in one gram-atom of Na?A13 gB23 gC1 gD1/23 g Like 0 Discuss 0Share
Industrial ChemistryEpoxy Adhesives867Choose the best answerEpoxy resin is particularly useful when an application requires:AA weak temporary bondBA strong and water-resistant bondCOnly paper bondingDHair coloring Like 0 Discuss 0Share
StoichiometryAvogadro's Law868Choose the best answerWhich gaseous samples occupy the same volume at the same temperature and pressure?A1 mol CO and 1 mol N₂B1 mol O₂ and 1 mol N₂C1 mol CO and 1 mol CO₂DAll of these Like 0 Discuss 0Share
SolidsRadius Ratio and Coordination Number869Choose the best answerThe radius-ratio range for tetrahedral coordination is approximately:A0.732–1.000B0.414–0.732C0.225–0.414D0.155–0.225 Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Chromophores870Choose the best answerWhich part of a dye molecule is mainly responsible for its colour?AAuxochromeBChromophoreCDeveloperDModifier Like 0 Discuss 0Share