Basic Concepts of ChemistryPhysical and Chemical Changes811Choose the best answerWhich of the following is a reversible physical change?AGrinding wood into sawdustBCutting down a treeCHeating an iron nail and allowing it to coolDBoth A and B Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Isomerism#Structural Isomerism812Choose the best answerCH₃CHCl₂ and CH₂ClCH₂Cl show which type of structural isomerism?AChain isomerismBPosition isomerismCFunctional isomerismDMetamerism Like 1 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Macromolecules#Proteins813Choose the best answerTotal number of α amino acids are:A19B27C22D25 Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test814Choose the best answerWhich test distinguishes acetophenone from benzophenone?ATollens' testBFehling's testCIodoform testDAll of the above Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Benzene & Aromatic Compounds#Friedel-Crafts Alkylation815Choose the best answerWhen benzene reacts with isopropyl chloride in the presence of AlCl₃ as a Lewis acid, the product formed is isopropyl benzene. What is this reaction called? (MDCAT 2023)AFriedel-Crafts acylationBFriedel-Crafts alkylationCHalogenation of benzeneDBenzene sulphuric acid Like 0 Discuss 0Share