KMU MDCAT 2024 Chemistry#Anisotropy#Solids106Choose the best answerWhen a crystalline substance conducts current in one direction but not through other directions of the crystal, this property is (KMU MDCAT 2024)AAllotropyBAnisotropyCIsomorphismDPolymorphism Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Isomorphism#Solids107Choose the best answerQ.77 The two crystals NaNO₃ & CaCO₃ are both trigonal, they are:AIsomersBPolymorphsCAllotropesDIsomorph Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Anisotropy#Solids108Choose the best answerIn anisotropic crystals which property do not change with the change in direction of crystalline structure? (UHS MDCAT 2023)AElectrical conductanceBThermal conductanceCMolar massDRefractive index Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Covalent Solids#Solids109Choose the best answerWhich of the following is a covalent crystal? (MDCAT 2023)ANaClBKICMgBr₂DDiamond Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Electrical Conductivity of Metals#Solids110Choose the best answerIn metals, why electric conductivity decreases with the increase of temperature? (UHS MDCAT 2023)ABecause electron movement decrease with the increase of temperatureBBecause metal ions oscillations hinder electron movementCBecause electron direction changes at high temperatureDBecause they pass heat current through collision of electrons Like 0 Discuss 0Share