MDCAT Chemistry Paper 2025#Bond Length and Bond Energy#Chemical Bonding161Choose the best answerCorrect order of bond energy will be: (IBA MDCAT 2025)AHCl > HBr > HIBHBr > HCl > HICHI > HCl > HBrDHCl > HI > HBr Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Macromolecules#Polymers162Choose the best answerQ.78 Nylon 6,6 is a:AAddition polymerBCondensation polymer of hexanedioic acid & 1,6-diaminohexaneCIt is an esterDNatural polymer Like 0 Discuss 0Share
Fundamental Concepts of ChemistryPhysical and Chemical Changes163Choose the best answerWhich of the following are chemical processes? (1) Rusting of a nail (2) Freezing of water (3) Decomposition of water into H₂ and O₂ (4) Compression of O₂ gasA2, 3 and 4B1, 3 and 4C1 and 3D1 and 2 Like 0 Discuss 0Share
LiquidsPressure Cooker and Boiling Point164Choose the best answerIn a pressure cooker, water boils at a temperature:ABelow 100°CBExactly 100°CCAbove 100°CDAlways below 0°C Like 0 Discuss 0Share
Basic Concepts of ChemistryElements, Compounds and Mixtures165Choose the best answerWhich of the following contains only one element?AMarbleBDiamondCGlassDSand Like 0 Discuss 0Share