Sindh MDCAT 2020 Chemistry#Gases#Ideal Gas Behaviour576Choose the best answerThe actual volume occupied by gas molecules is most nearly negligible at which pressure? (Sindh MDCAT 2020)A2 atmB4 atmC6 atmD8 atm Like 2 Discuss 0Share3
Industrial chemistry Industrial chemistry MCQS#Condensation Polymerization#Macromolecules577Choose the best answerWhich monomers combine to form nylon-6,6?AEthylene glycol and terephthalic acidBAdipic acid and hexamethylenediamineCPhenol and formaldehydeDMelamine and formaldehyde Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Bonding#Hybridization578Choose the best answerWhich of the following hybrid orbitals has maximum 's'-character? (Sindh MDCAT 2020)Asp³-hybrid orbitalBsp²-hybrid orbitalCsp-hybrid orbitalDdsp²-hybrid orbital Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Polyhydric Alcohols579Choose the best answerWhich pair is correctly matched?APropylene glycol — Propane-1,3-diolBPropylene glycol — Propane-1,2-diolCPropylene glycol — Propane-2,3-diolDPropylene glycol — Propane-1,1-diol Like 0 Discuss 0Share
StoichiometryPercentage Yield580Choose the best answerWhen 80 g CaCO₃ decomposes, the actual yield of CO₂ is 30 g. What is the percentage yield? CaCO₃ → CaO + CO₂A50%B60%C75%D85% Like 0 Discuss 0Share