Industrial ChemistryPermanent Hair Dyes906Choose 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 Changes907Choose 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 Changes908Choose 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 Elements909Choose the best answerWhich of the following alkali metal forms only normal oxide with O₂? (KMU MDCAT 2024)AKBLiCNaDRb Like 0 Discuss 0Share
Chemical BondingHybridization910Choose the best answerThe carbon atoms in ethene, C₂H₄, have the same hybridization as the carbon atoms in:ABenzeneBEthaneCCO₂DMethane Like 0 Discuss 0Share