Atomic StructureSize of Atomic Nucleus1586Choose the best answerThe approximate size of an atomic nucleus is of the order of:A10⁻¹² mB10⁻⁸ mC10⁻¹⁵ mD10⁻¹⁰ m Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Atomic Structure#X-Rays1587Choose the best answerFor the first time in 1911, Henry Moseley used X-rays for the determination of: (Sindh MDCAT 2018)AAtomic numberBAtomic massCMolecular massDEquivalent mass Like 1 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Metabolism1588Choose the best answerWhich option correctly compares anabolism and catabolism?AAnabolism breaks molecules and releases energyBCatabolism builds molecules and consumes energyCAnabolism builds molecules, whereas catabolism breaks them downDBoth always release energy Like 0 Discuss 0Share
SolidsStructure and Conductivity of Graphite1589Choose the best answerGraphite conducts electricity mainly because it contains:AStrong ionic bondsBDelocalized electronsCMobile ionsDHydrogen bonds Like 0 Discuss 0Share
Aldehydes and Ketones2,4-DNPH Test1590Choose the best answerWhich reagent gives an orange or yellow precipitate with both aldehydes and ketones?ATollens' reagentBFehling's solutionC2,4-Dinitrophenylhydrazine reagentDSchiff's reagent Like 0 Discuss 0Share