SolidsIonic Solids61Choose the best answerWhich of the following is an ionic crystal?ADiamondBLiFCLiDSi Like 0 Discuss 0Share
SolidsDiffusion in Solids62Choose the best answerSolids diffuse very slowly compared with liquids and gases mainly because:ATheir temperature is always highBTheir particles are closely packed and have restricted movementCTheir density is always lowDThey are highly compressible Like 0 Discuss 0Share
SolidsCrystalline Solids63Choose the best answerSolids having a regular three-dimensional long-range arrangement are:AAmorphous solidsBCrystalline solidsCSupercooled liquidsDRandom polymers Like 0 Discuss 0Share
SolidsMetallic Lustre64Choose the best answerThe shiny appearance of a metal is called:AAnisotropyBDuctilityCMetallic lustreDCleavage Like 0 Discuss 0Share
SolidsAllotropes of Sulfur65Choose the best answerAbove approximately 95.5°C, the stable crystalline form of sulfur is:ARhombic sulfurBMonoclinic sulfurCAmorphous sulfurDPlastic sulfur Like 0 Discuss 0Share