SINDH MDCAT 2018 Chemistry#Macromolecules#Polymers806Choose the best answerThe transparent plastic used to make combs and hair brushes is called: (Sindh MDCAT 2018)APVABPVCCBakeliteDPerspex Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Rydberg Constant807Choose the best answerWhat is the approximate value of the Rydberg constant in cm⁻¹?A109678 cm⁻¹B1.09678 × 10⁷ cm⁻¹C2.18 × 10⁻¹⁸ cm⁻¹D0.529 cm⁻¹ Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Auxochromes808Choose the best answerWhich group acts as an auxochrome?A–N=N–B–NO₂C–OHD–C=O Like 0 Discuss 0Share
LiquidsVaporization809Choose the best answerVaporization is the conversion of:ASolid → gasBLiquid → gasCSolid → liquidDGas → liquid Like 0 Discuss 0Share
ElectrochemistryOxidation and Reduction810Choose the best answerWhich statement is NOT true for the reaction Fe³⁺ + e⁻ → Fe²⁺?AFe³⁺ is reducedBThe oxidation state of Fe changesCFe³⁺ acts as an oxidizing agentDBoth Fe³⁺ and Fe²⁺ are anions Like 0 Discuss 0Share