Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#X-rays3156Choose the best answerAccording to Moseley’s law, √ν is directly proportional to which quantity?AAtomic massBZ − bCWavelengthDNumber of neutrons Like 0 Discuss 0Share
Chemical BondingCoordinate Covalent Bonding3157Choose the best answerWhich type of bond is NOT present in NH₄Cl?AIonic bondBCoordinate covalent bondCCovalent bondDDelocalized covalent bond Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryPetroleum3158Choose the best answerPetroleum is best described as:AA mixture of hydrocarbonsBA pure alkaneCA pure cycloalkaneDA pure aromatic compound Like 0 Discuss 0Share
Industrial ChemistryTemporary Hair Dyes3159Choose the best answerTemporary hair dyes are commonly available in forms such as:ASprays, gels and shampoosBOnly tabletsCOnly permanent creamsDEpoxy resins Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Activating Groups#Benzene & Aromatic Compounds3160Choose the best answerWhen CH₃ group is attached with the benzene ring, it makes the ring: (Sindh MDCAT 2020)AGood electrophileBGood nucleophileCResonance hybridDExtraordinary stable Like 0 Discuss 0Share