SolidsCovalent-Network Solids2851Choose the best answerQuartz is a crystalline form of:ASilicaBSodium silicateCSilicon carbideDSilicon Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Equilibrium#Common Ion Effect2852Choose the best answerPurification of table salt (NaCl) by passing HCl gas through its saturated aqueous solution is an example of: (Sindh MDCAT 2020)ALaw of mass actionBHess's lawCCommon ion effectDHenry's law Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Amino Acids#Macromolecules2853Choose the best answerA dipolar charged but overall electrically neutral ion is called:ACarbinium ionBZwitterionCOxonium ionDCarbanion ion Like 1 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Percentage Yield#Stoichiometry2854Choose the best answerA reaction has 80% yield and a theoretical yield of 50 g. What is the actual yield?A30 gB35 gC40 gD45 g Like 0 Discuss 0Share
StoichiometryMole–Mass Stoichiometry2855Choose the best answer1.5 mol O₂ reacts completely with Mg: 2Mg + O₂ → 2MgO What mass of Mg is consumed?A72 gB36 gC48 gD24 g Like 0 Discuss 0Share