Sindh MDCAT 2020 Chemistry#Alkyl Halides#Classification of Alkyl Halides3271Choose the best answerSecondary alkyl halide is: (Sindh MDCAT 2020)ACH₃–CH₂–CH₂–ClB(CH₃)₃C–ClCCH₃–CH(Cl)–CH₃DCH₃Cl Like 0 Discuss 0Share
Industrial ChemistryEffect of Temperature on Enzyme Activity3272Choose the best answerUnder normal human physiological conditions, the optimum temperature for many enzymes is approximately:A0°CB20°CC37°CD100°C Like 0 Discuss 0Share
BasicsStoichiometry #Avogadro's Number3273Choose the best answerHow many electrons are present in one mole of electrons?A1 electronB6.02 × 10²³ coulombsC6.02 × 10²³ electronsD1 gram of electrons Like 0 Discuss 0Share
GasesMean Free Path3274Choose the best answerAs the pressure of a gas increases at constant temperature, its mean free path generally:ADecreasesBIncreasesCBecomes exactly zeroDRemains unchanged Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Formula Mass3275Choose the best answerWhy is the term molecular mass not used for NaCl?ANaCl has a very large mass.BNaCl exists only in the solid state.CNaCl does not exist as discrete molecules; it exists as a lattice of ions.DSodium is a metal. Like 0 Discuss 0Share