SolidsThermal Conductivity of Metals91Choose the best answerThe high thermal conductivity of metals is mainly associated with:AMobile ionsBDelocalized electronsCProtonsDNeutrons Like 0 Discuss 0Share
SolidsProperties of Amorphous Solids92Choose the best answerWhich statement about amorphous solids is incorrect?AThey soften over a range of temperatureBThey are anisotropicCThey lack long-range periodic orderDThey are generally rigid and nearly incompressible Like 0 Discuss 0Share
SolidsAmorphous Solids93Choose the best answerWhich of the following is an amorphous solid?ASodium chlorideBDiamondCGlassDSucrose Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Solids#Unit Cell94Choose the best answerThe unit cell parameters of monoclinic system are: (Sindh MDCAT 2019)Aa=b≠ c, α=β=γ=90°Ba≠ b≠ c, α=γ=90°, β≠ 90°Ca≠ b=c, α=β=90°, γ≠ 90°Da=b=c, α=β=γ=90° Like 0 Discuss 0Share
SolidsAnisotropy95Choose the best answerDirection-dependent physical properties of crystalline solids are called:AIsomorphismBPolymorphismCAnisotropyDSymmetry Like 0 Discuss 0Share