LiquidsAnomalous Behaviour of Water806Choose the best answerWater shows anomalous expansion when cooled from:A100°C to 0°CB4°C to 0°CC10°C to 4°CD0°C to −10°C Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Chemical Equilibrium#Le Chatelier's Principle807Choose the best answerIn the production of SO₃ from SO₂ and Oxygen, the yield of SO₃ is increased by (KMU MDCAT 2024)AAdding a catalystBAdding more SO₂CIncreasing temperatureDRemoving oxygen Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Bonding#Sigma and Pi Bonds808Choose the best answerWhich statement about σ and π bonds is incorrect?AA σ bond can be formed by s-s, s-p, p-p or hybrid orbital overlapBA π bond is generally weaker than a σ bondCThe electron density of a π bond lies along the internuclear axisDA triple bond contains one σ and two π bonds Like 0 Discuss 0Share
Chemical EquilibriumActive Mass809Choose the best answerAccording to the active-mass concept, reaction rate is directly related to the:AEquilibrium constant onlyBAtomic masses of reactantsCVolume of the container onlyDActive masses of reactants Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Crystal Lattice#Solids810Choose the best answerIn a unit cell of a crystal lattice the angle β is between faces:Aa and bBb and cCc and aDnot specified Like 0 Discuss 0Share