StoichiometryPrinciples of Stoichiometry321Choose the best answerWhich is NOT a valid assumption used in ideal stoichiometric calculations?ANo side reaction occursBReactants are completely converted according to the given reactionCTotal moles of products must equal total moles of reactantsDThe chemical equation is balanced Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Anomalous Behaviour of First Elements#S- and P-Block Elements322Choose the best answerWhich pair of elements markedly differs from other members of the respective groups? (MDCAT 2023)APotassium and CalciumBSodium and MagnesiumCCaesium and BariumDLithium and Beryllium Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules323Choose the best answerA non-competitive inhibitor typically:AIt competes directly with the substrate for the active siteBIt binds elsewhere on the enzyme and changes its shapeCIt always forms a peptide bond with the substrateDIt increases enzyme activity Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Aldehydes and Ketones#Fehling's Test324Choose the best answerWhich one show positive test with Fehling solution: (SZABMU MDCAT 2025)AacetophenoneBmetaformaldehydeCacetaldehydeDbenzaldehyde Like 0 Discuss 0Share
Aldehydes and KetonesCannizzaro Reaction325Choose the best answerWhich of the following undergo the Cannizzaro reaction? (1) Methanal (2) 2-Methylpentanal (3) Benzaldehyde (4) BenzophenoneA(1) onlyB(2) onlyC(1) and (3)D(1), (2) and (3) Like 0 Discuss 0Share