LiquidsHydrogen Bonding in Biomolecules1256Choose the best answerThe spiral or α-helical structure of protein chains is stabilized mainly by:AIonic bonding onlyBHydrogen bondingCMetallic bondingDLondon forces only Like 0 Discuss 0Share
ElectrochemistryStandard Electrode Potential1257Choose the best answerThe potential of an electrode measured under standard conditions with its ions at unit activity is called:ANon-standard reduction potentialBStandard electrode potentialCCell resistanceDActivation potential Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#X-Rays1258Choose the best answerWhich conditions are required to produce X-rays in a discharge tube?AHigh voltage and very low pressureBLow voltage and atmospheric pressureCLow voltage and high pressureDAtmospheric pressure without an applied potential Like 0 Discuss 0Share
GasesMolecular Kinetic Energy and Temperature1259Choose the best answerA closed system contains ice, liquid water and water vapour in equilibrium at the same temperature. According to the classical molecular interpretation, their average translational kinetic energy primarily depends on:APhysical state onlyBMolecular mass onlyCTemperatureDVolume only Like 0 Discuss 0Share
GasesBoyle's Law1260Choose the best answerFor a fixed amount of an ideal gas at constant temperature:AP/V = constantBV = constantCP = constantDPV = constant Like 0 Discuss 0Share