Chemistry MCQs

Page No. 98

Which one of the following has highest volatility_________________?


aDiethyl ether


bEthyl alcohol


cWater


dEthylene glycol


View Answer Diethyl ether

During which process empty spaces between particles become minimum ?


aionization


bcondensation


cfusion


devaporation


View Answer condensation

Table salt crystallizes with a______________________?


aFace centered cubic lattice


bbody centered cubic lattice


csimple cubic lattice


dothorhombic lattice



Vapour pressure is not affected by_______________?


aSurface area


btemperature


cintermolecular forces


datmospheric pressure


View Answer Surface area

The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?


aDipole-dipole forces


bIon dipole-dipole forces


cLondon dispersion forces


dDebye forces


View Answer Dipole-dipole forces

Formation of vapours from the surface of a liquid is called________________?


avapourization


bevaporation


ccondensation


dcracking


View Answer evaporation

Water has maximum density at __________________?


a0°C


b2°C


c4°C


d100°C


View Answer 4°C

The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?


avaporization


bevaporation


ccrystallization


dsublimation


View Answer vaporization

Forces of attraction which may be present between all kinds of atoms and molecules are _____________________?


aintramolecular


bintramolecular


cvan der Waal


dDipole-induced dipole


View Answer van der Waal

Hydrogen bonding is involved in____________________?


aSolubility


bCleansing action of detergents


cBiological molecules


dAll


View Answer All

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