Sindh MDCAT 2020 Chemistry#Alcohols#Alcohols and Phenols481Choose the best answerR–X reaction with alcohols forms: (Sindh MDCAT 2020)AR–OHBR–O–RCR–X–OHDR–H Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Alkynes#Chemistry of Hydrocarbons482Choose the best answerThe number of acidic hydrogen present in 1-butyne:A1B2C3D4 Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic Structure#Isotopes483Choose the best answerWhich element provides the reference isotope used for the atomic-mass scale?AHBCCPDCl Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#X-Rays484Choose the best answerWhich wavelength range corresponds best to X-rays?A4000–7000 ÅB0.1–10 ÅC1000–4000 ÅDGreater than 7000 Å Like 7 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Ligand Denticity#Transition Elements485Choose the best answerThe ligand, diethylene triamine, is an example of: (MDCAT 2023)ABidentateBTridentateCPentadentateDHexadentate Like 0 Discuss 0Share