Fundamental Principles of Organic ChemistryOrganic and Inorganic Carbon Compounds381Choose the best answerWhich set contains only inorganic carbon compounds?ACO₂, CO and carbonatesBCH₄, C₂H₆ and C₆H₆CCH₃OH, CH₃COOH and HCHODCCl₄, CHCl₃ and CH₃Cl Like 0 Discuss 0Share
BasicsStoichiometry #Mole Concept382Choose the best answerHow many moles of phosphorus atoms are present in 0.25 mol of P₄?A0.25 molB0.50 molC1.00 molD4.00 mol Like 0 Discuss 0Share
LiquidsAnomalous Behaviour of Water383Choose the best answerWater in a lake generally freezes:AFrom top to bottomBFrom bottom to topCUniformly throughoutDFirst at 4°C Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules384Choose the best answerWhich option contains the correctly matched pair?APepsin — basic mediumBTrypsin — acidic mediumCPepsin — acidic mediumDSalivary amylase — strongly acidic medium Like 0 Discuss 0Share
Chemical BondingSigma Bond Formation385Choose the best answerWhen two half-filled atomic orbitals overlap head-on along the internuclear axis, they form a:Aσ bondBHydrogen bondCπ bondDMetallic bond Like 0 Discuss 0Share