Chemistry Fsc Part 1 Chapter 7 Online Test With Answers

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Chemistry Fsc Part 1 Chapter 7 Online Test

Sr. # Questions Answers Choice
1 Born Haber cycle is used to determine the Lattice energy Enthalpy of formation Enthalpy of ionization Enthalpy of dissociation
2 Which one of the following enthalpies is always an exothermic process. Enthalpy of atomization Enthalpy of neutralization Enthalpy of ionization Enthalpy of dissociation
3 The enthalpy of combustion is Positive Negative Either positive or negative No correlation
4 The heat contents of the system of known as. Entropy Enthalpy Work Free energy
5 Standard enthalpy change when one mole of compound is formed from their elements at standard state is. Heat of formation Standard heat of formation Heat of combustion Standard Heat of neutralization
6 The standard heat of formation is measured at 1 atmosphere and 0 <sup>o</sup>C 100 <sup>o</sup>C 293 <sup>o</sup>C 25 <sup>o</sup>C
7 Standard enthalpy of combustion of carbon is -394 kJ mol-1 than, which is the standard enthalpy of formation of CO2 +394 kJ -394 kJ 0 kJ +197 kJ
8 Which is not is state function Enthalpy Entropy Pressure work
9 Which substance have delta E = Delta H and no pressure - volume work. Liquids only Solids only Gases only Liquids and solids
10 The sum of all kinds of energies of atoms, ions or molecules of a system is known as. Kinetic energy Potential energy Internal energy Solar energy
11 Which process is endothermic and spontaneous Neutralization of NaOH with HCl Formation of NH3 from H2 and N2 Formation of H2O from H2 and O2 Evaporation of sea water
12 Spontaneous processes are mostly Reversible Irreversible Not irreversible None of these
13 Which of the following value of heat of formation indicates that the product is least stable. -94 KJ -231.6 KJ +21.4 KJ +70 KJ
14 the value of delta H and delta E for liquids and solids is almost same because. No change in temperature Heat absorbed No change in volume Heat evolved
15 Which one of the following process is endothermic condensation of steam Freezing of water electrolysis of water None of these
16 A chemical change always involve Absorption of heat Evolution of heat Either absorption or evolution of heat The liberation of heat and light energy
17 The optimum temperature for the synthesis of NH3 by Haber's process is. 200 <sup>o</sup>C 300 <sup>o</sup>C 400 <sup>o</sup>C 500 <sup>o</sup>C
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