Chemical BondingSigma and Pi Bonds986Choose the best answerWhich type of orbital forms σ bonds but not π bonds?Asp hybrid orbitalBdsp³ hybrid orbitalCs orbitalDAll of these Like 0 Discuss 0Share
Industrial ChemistryPermanent Hair Dyes987Choose the best answerIn a permanent hair dye formulation, resorcinol generally acts as a:AColorantBDeveloperCModifier or couplerDPolymerization initiator Like 0 Discuss 0Share
Fundamental Concepts of ChemistryPhysical Changes988Choose the best answerWhich of the following is a physical change?ARusting of ironBSouring of milkCDigestion of foodDSublimation of camphor Like 0 Discuss 0Share
Fundamental Concepts of ChemistryReversible Physical Changes989Choose the best answerWhich description best represents a reversible physical change?APermanent and reversibleBTemporary and irreversibleCTemporary and reversibleDPermanent and irreversible Like 4 Discuss 0Share
KMU MDCAT 2024 Chemistry#Alkali Metals#S- and P-Block Elements990Choose the best answerWhich of the following alkali metal forms only normal oxide with O₂? (KMU MDCAT 2024)AKBLiCNaDRb Like 0 Discuss 0Share