Practice Test


Q1) _______ proposed the absolute scale of temperature. Show Answer


Q2) The inner central core of earth is in ________ state. Show Answer


Q3) ______ have definite volume but no definite shape Show Answer


Q4) Liquids diffuse slowly as compared to gases because Show Answer


Q5) In general, matter exists in three states: solid, liquid and Show Answer


Q6) ______ have definite volume and definite shape. Show Answer


Q7) _______ are highly compressible. Show Answer


Q8) _______ energy increases the tendency of molecules to escape from the attractive forces of neighbouring molecules. Show Answer


Q9) Liquid and solid states are the result of Show Answer


Q10) ______ melting point indicates strong intermolecular force of attraction. Show Answer


Q11) Non-polar molecules possess_______ dipole moment. Show Answer


Q12) _______ depends on the polarizability of the atom. Show Answer


Q13) The strength of dispersion forces does not increase with increase in Show Answer


Q14) While studying intermolecular interactions, it is assumed that Show Answer


Q15) Dipole-dipole interaction is present between Show Answer


Q16) The force of attraction between an ion and a polar molecule is called Show Answer


Q17) Which of the following forces operates between two atoms? Show Answer


Q18) As the temperature increases, kinetic energy of molecules Show Answer


Q19) ______ interaction takes place between a polar molecule having permanent dipole moment and nonpolar molecule with zero dipole moment. Show Answer


Q20) The non-zero dipole moment of a nonpolar molecule at an instant is called its Show Answer


Q21) Dispersion forces are present in Show Answer


Q22) Dipole moment is defined as the product of charge and the Show Answer


Q23) Which of the following forces is present in HF? Show Answer


Q24) Hydrogen bonding is a special type of _______ interaction Show Answer


Q25) Rate of diffusion = Volume of gas diffused / ________ Show Answer


Q26) Which of the following pressure conversion factors is correct? Show Answer


Q27) The rate of diffusion of a gas depends on Show Answer


Q28) The dimension of pressure are same as that of Show Answer


Q29) The process of inter mixing of two or more gases is called Show Answer


Q30) Atmospheric pressure is measured by_______ Show Answer


Q31) The volume of the gas is the volume of the Show Answer


Q32) Lighter gases diffuse ________ heavier gases. Show Answer


Q33) Boyle's law is applicable when _______is/are constant. Show Answer


Q34) According to Boyle's law, at constant temperature, pressure of gas is directly proportional to its Show Answer


Q35) According to Boyle's law, graph of PV vs P is Show Answer


Q36) Boyle's law can be mathematically stated as Show Answer


Q37) Absolute zero is that temrperature where the volume of the gas must be theoretically Show Answer


Q38) The SI unit of temperature is Show Answer


Q39) Which property is kept constant in verification of Charle's law? Show Answer


Q40) The graph of pressure vs temperature according to Gay Lussac's law is Show Answer


Q41) When the vacant space between the molecules of a gas is reduced to almost zero by applying pressure and by reducing temperature, gases turn into Show Answer


Q42) Liquids with low boiling points are called_____ liquids. Show Answer


Q43) At high altitudes, the boiling point of water gets lowered because Show Answer


Q44) Vapour pressure is the pressure exerted by Show Answer


Q45) Vapour pressure depends on Show Answer


Q46) The temperature at which vapour pressure of a liquid is equal to atmospheric pressure is called Show Answer


Q47) Evaporation takes place________ the liquid. Show Answer


Q48) The pressure exerted by the vapours of liquid on the surface of liquid when there is no equilibrium between the liquid and its vapour is called Show Answer


Q49) _______ is the force acting per unit length perpendicular to the line drawn on the surface of liquid. Show Answer


Q50) The falling liquid drop is spherical due to Show Answer


Q51) As temperature increases, surface tension Show Answer


Q52) Which of the following is an application of surface tension? Show Answer


Q53) Surface tension is a characteristic property of Show Answer


Q54) Liquids rise or sink in capillaries due to Show Answer


Q55) ________ increases viscosity of liquids Show Answer


Q56) The earth's crust is in ________ state. Show Answer


Q57) The freezing point of solid and boiling point of liquid are a measure of Show Answer


Q58) _______ gas obeys Boyles and charles law only under limited conditions of low pressure and high temperature. Show Answer


Q59) During evaporation of liquid. Show Answer


Q60) The internal resistance to the flow of the liquid is called its Show Answer


Q61) According to_______ law the pressure of a given mass of a gas inversely proportional to its volume at a constant temperature.
Show Answer


Q62) Avogadro proposed his hypothesis after studying
Show Answer


Q63) " I g-molecule of a gas at N.T.P. occupies a volume of 22.4 L.'' This fact was arrived by using
Show Answer


Q64) Dipole moment is measured in the unit of Show Answer


Q65) Which of the following has the strongest hydrogen bonding? Show Answer


Q66) which of the following has strong intermolecular hydrogen bonding? Show Answer


Q67) The SI unit of pressure is Show Answer


Q68) If P, V, T represent pressure, volume and temperature of the gas, the correct representation of Boyle's law is Show Answer


Q69) For a given mass of a gas at constant temperature, if the volume V becomes three times, then the pressure (p) will become Show Answer


Q70) At constant temperature, the pressure of V ml of a dry gas was increased from 1 atm to 2 atm. The new Volume will be_______ Show Answer


Q71) The volume occupied by 1 mole of a gas when pressure is 1 atm and temperature is 273K is Show Answer


Q72) The compressibility of a gas is less than unity at S.T.P Therefore,molar volume Show Answer


Q73) The compressibility factor, Z= Show Answer


Q74) Which of the following gases can be liquefied? Show Answer


Q75) The unit of viscosity coefficient is Show Answer


Q76) The boiling point of _________ is low due to absence of hydrogen bonding. Show Answer


Q77) SI unit of pressure is _______ Show Answer


Q78) Mathematical statement of Charles' law is Show Answer


Q79) Thomas Andrew measured variation of the volume with pressure of _______ at different constant temperatures. Show Answer


Q80) Mathematical statement of Gay Lussac law is Show Answer


Q81) Mathematical statement of Avogadro's law is Show Answer


Q82) Correct value of gas constant "R" is Show Answer


Q83) For n moles of ideal gas,the equation may be written as Show Answer


Q84) In the equation PV = nRT, which of the following value cannot be equal to R? Show Answer


Q85) The density of Neon will be highest at Show Answer