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) In case of inert gases, the boiling points increase with_____ in atomic mass. Show Answer

Q25) Hydrogen bonding is a special type of _______ interaction Show Answer

Q26) Rate of diffusion = Volume of gas diffused / ________ Show Answer

Q27) Which of the following pressure conversion factors is correct? Show Answer

Q28) The rate of diffusion of a gas depends on Show Answer

Q29) The dimension of pressure are same as that of Show Answer

Q30) The process of inter mixing of two or more gases is called Show Answer

Q31) Atmospheric pressure is measured by_______ Show Answer

Q32) The volume of the gas is the volume of the Show Answer

Q33) Lighter gases diffuse ________ heavier gases. Show Answer

Q34) Boyle's law is applicable when _______is/are constant. Show Answer

Q35) According to Boyle's law, at constant temperature, pressure of gas is directly proportional to its Show Answer

Q36) According to Boyle's law, graph of PV vs P is Show Answer

Q37) Boyle's law can be mathematically stated as Show Answer

Q38) Absolute zero is that temrperature where the volume of the gas must be theoretically Show Answer

Q39) The SI unit of temperature is Show Answer

Q40) Which property is kept constant in verification of Charle's law? Show Answer

Q41) The graph of pressure vs temperature according to Gay Lussac's law is Show Answer

Q42) ________ collected air samples and made several observations on variation of pressure of gas with temperature. Show Answer

Q43) Select one correct statement relating to the ideal gas equation, PV = nRT. Show Answer

Q44) If the volume of 2 moles of an ideal gas at 540 K is 44.8 liter then its pressure will be Show Answer

Q45) Value of universal gas constant 'R' depends upon Show Answer

Q46) For an ideal gas, number of moles per liter in terms of its pressure p, gas constant R and temperature T is Show Answer

Q47) For an ideal gas, it is assumed that Show Answer

Q48) ________ gas is easy to liquefy due to strong intermolecular forces of attraction Show Answer

Q49) In case of hydrogen, molar volume at STP is ________22.414 L. Show Answer

Q50) Van der Waal's equation explains the behaviour of Show Answer

Q51) The temperature at which real gases obey the ideal gas laws over a wide range of pressure is called Show Answer

Q52) The compressibility factor of an ideal gas is Show Answer

Q53) The Ven der Waal's equation reduces itself to the ideal gas equation at Show Answer

Q54) Oxygen cannot be easily liquefied due to Show Answer

Q55) At lower temperature, it is possible to liquefy gases at pressure lower than Show Answer

Q56) In Linde process, cooling takes place by Show Answer

Q57) ________ modified Linde process such that the cooling becomes more efficient Show Answer

Q58) 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

Q59) Compared to gaseous state molecules, liquid molecules are held together by intermolecular forces of attraction. Show Answer

Q60) Different liquids flow with different speeds due to Show Answer

Q61) Liquids with low boiling points are called_____ liquids. Show Answer

Q62) Liquids which are less volatile have________ forces of attraction. Show Answer

Q63) At high altitudes, the boiling point of water gets lowered because Show Answer

Q64) Vapour pressure is the pressure exerted by Show Answer

Q65) Vapour pressure depends on Show Answer

Q66) The temperature at which vapour pressure of a liquid is equal to atmospheric pressure is called Show Answer

Q67) Evaporation takes place________ the liquid. Show Answer

Q68) 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

Q69) _______ is the force acting per unit length perpendicular to the line drawn on the surface of liquid. Show Answer

Q70) The falling liquid drop is spherical due to Show Answer

Q71) As temperature increases, surface tension Show Answer

Q72) Which of the following is an application of surface tension? Show Answer

Q73) Surface tension is a characteristic property of Show Answer

Q74) Liquids rise or sink in capillaries due to Show Answer

Q75) ________ increases viscosity of liquids Show Answer

Q76) The earth's crust is in ________ state. Show Answer

Q77) The freezing point of solid and boiling point of liquid are a measure of Show Answer

Q78) _______ gas obeys Boyles and charles law only under limited conditions of low pressure and high temperature. Show Answer

Q79) During evaporation of liquid. Show Answer

Q80) The internal resistance to the flow of the liquid is called its Show Answer

Q81) According to_______ law the pressure of a given mass of a gas inversely proportional to its volume at a constant temperature.
Show Answer

Q82) Avogadro proposed his hypothesis after studying
Show Answer

Q83) " 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

Q84) Dipole moment is measured in the unit of Show Answer

Q85) Which of the following has the strongest hydrogen bonding? Show Answer

Q86) which of the following has strong intermolecular hydrogen bonding? Show Answer

Q87) The SI unit of pressure is Show Answer

Q88) If P, V, T represent pressure, volume and temperature of the gas, the correct representation of Boyle's law is Show Answer

Q89) 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

Q90) 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

Q91) The volume occupied by 1 mole of a gas when pressure is 1 atm and temperature is 273K is Show Answer

Q92) The compressibility of a gas is less than unity at S.T.P Therefore,molar volume Show Answer

Q93) The compressibility factor, Z= Show Answer

Q94) Which of the following gases can be liquefied? Show Answer

Q95) The unit of viscosity coefficient is Show Answer

Q96) The boiling point of _________ is low due to absence of hydrogen bonding. Show Answer

Q97) SI unit of pressure is _______ Show Answer

Q98) Mathematical statement of Charles' law is Show Answer

Q99) Thomas Andrew measured variation of the volume with pressure of _______ at different constant temperatures. Show Answer

Q100) Mathematical statement of Gay Lussac law is Show Answer

Q101) Mathematical statement of Avogadro's law is Show Answer

Q102) Correct value of gas constant "R" is Show Answer

Q103) For n moles of ideal gas,the equation may be written as Show Answer

Q104) In the equation PV = nRT, which of the following value cannot be equal to R? Show Answer

Q105) The density of Neon will be highest at Show Answer