StoichiometryVapour Density and Molar Mass1236Choose the best answerAt STP, 5.6 L of a gas weighs 8 g. Its vapour density relative to H₂ is:A32B16C8D4 Like 0 Discuss 0Share
Alcohols and PhenolsConversion of Alcohols to Alkyl Chlorides1237Choose the best answerWhich reagent is generally preferred in the laboratory for preparing pure alkyl chlorides from alcohols?AConcentrated HClBSOCl₂CCl₂/UV lightDNaCl Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Coinage Metals#Transition Elements1238Choose the best answerWhich of the following is a coinage metal?APdBCuCCdDHg Like 0 Discuss 0Share2
Sindh MDCAT 2021 Chemistry#Aldehydes and Ketones#Carbonyl Compounds1239Choose the best answerPolyhydric aldehydes or ketones are known as:ACarbohydratesBProteinCEnzymesDGlass Like 0 Discuss 0Share
Atomic StructureKinetic and Total Energy in Bohr Orbit1240Choose the best answerFor an electron in a Bohr orbit, the ratio of kinetic energy to total energy is:A2 : 1B1 : 1C1 : −1D1 : 2 Like 0 Discuss 0Share