MDCAT Chemistry Past Paper 2023#Amino Acids#Macromolecules1871Choose the best answerWhich of the following is an amino acid? (MDCAT 2023)ABenzoic acidBPalmitic acidCAspartic acidDAniline Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers1872Choose the best answerWhich letters represent the shells with n = 1, 2, 3 and 4, respectively?As, p, d and fBα, β, γ and δCK, L, M and NDx, y, z and w Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Chemical Changes1873Choose the best answerWhich observation is the strongest evidence that a chemical reaction has occurred?AA substance changes its shapeBA new gas is formed during the reactionCA solid is broken into smaller piecesDSugar dissolves in water Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Amphoteric Behaviour#S- and P-Block Elements1874Choose the best answerWhich one of them is amphoteric in nature? (UHS MDCAT 2023)ALithium oxideBBeryllium oxideCCalcium oxideDPotassium oxide Like 0 Discuss 0Share
Chemical KineticsInstantaneous and Average Rate1875Choose the best answerWhich statement is false?AFor a typical reaction whose rate decreases with time, the initial instantaneous rate is high.BThe activated complex has a very short lifetime.CA tangent to a concentration–time curve gives the average rate.DOnly a fraction of molecular collisions are effective. Like 0 Discuss 0Share