Sindh MDCAT 2020 Chemistry#Transition Elements#Variable Oxidation States1141Choose the best answerThe transition element which does not show variable valency is: (Sindh MDCAT 2020)ACuBScCZnDCr Like 2 Discuss 0Share
SolidsElectrical Conductivity of Solids1142Choose the best answerWhich of the following is a good electrical conductor?ADiamondBGraphiteCSiliconDAmorphous carbon Like 0 Discuss 0Share
Chemical KineticsArrhenius Equation1143Choose the best answerFor the Arrhenius equation k = Ae⁻ᴱᵃ⁄ᴿᵀ, which statement is correct?Ak is the equilibrium constant.BA is the adsorption factor.CEa is the activation energy.DR is the Rydberg constant. Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test1144Choose the best answerWhich compound gives a positive iodoform test?A2-PhenylethanolBPentanalCPentan-3-olD1-Phenylethanol Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Macromolecules#Polymers1145Choose the best answerHow is Bakelite classified?ALinear polymerBBranched polymerCCross-linked polymerDAddition polymer Like 0 Discuss 0Share