Fundamental Concepts of ChemistryPhysical and Chemical Changes96Choose 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 Point97Choose 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 Mixtures98Choose the best answerWhich of the following contains only one element?AMarbleBDiamondCGlassDSand Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Gases#Kinetic Molecular Theory99Choose the best answerQ.80 The kinetic molecular theory of gases explains:AMass numberBAtoms numberCThe behavior of gasesDElectron Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Benzene & Aromatic Compounds#Friedel-Crafts Alkylation100Choose the best answerAromatic compound that is more likely to undergo Friedel-Craft alkylation is _____ (BUMHS MDCAT 2025)AbenzeneBtolueneCnitrobenzeneDbenzaldehyde Like 0 Discuss 0Share