LiquidsAnomalous Behaviour of Water386Choose the best answerWater in a lake generally freezes:AFrom top to bottomBFrom bottom to topCUniformly throughoutDFirst at 4°C Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules387Choose the best answerWhich option contains the correctly matched pair?APepsin — basic mediumBTrypsin — acidic mediumCPepsin — acidic mediumDSalivary amylase — strongly acidic medium Like 0 Discuss 0Share
Chemical BondingSigma Bond Formation388Choose the best answerWhen two half-filled atomic orbitals overlap head-on along the internuclear axis, they form a:Aσ bondBHydrogen bondCπ bondDMetallic bond Like 0 Discuss 0Share
Basic Concepts of ChemistryPhysical and Chemical Changes389Choose the best answerBurning a matchstick is an example of a:APhysical changeBChemical changeCChange in pressureDChange in colour only Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Block Classification#S- and P-Block Elements390Choose the best answerWhich of the following does not belong to the S-block? (IBA MDCAT Reconduct 2024)ALiBCsCFeDBa Like 0 Discuss 0Share