Chemistry Fsc Part 1 Online Test With Answers

Chemistry Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 Which of the following causes entropy to increases Condensation  Freezing Evaporation Crystallization
2 What type of reation has a negative Delta H and Delta S? Always spntaneous Never spontaneous Spontaneous at low temp Spontaneous at high temp
3 Which stepin the Born-Haber cycle is always endothermic Sublimation  Electron gain enthalpy Hydration Lattice formation
4 Born Haber cycle is used to calculate Bond energy  Heat of hydration Lattice energy Ionization energy
5 Which factor affects lattice energy  Ion size Ion charge Crystal structure None of these
6 A negative lattice eneryg temperature Bond breaking Energy relresed Formation of covalent bond Spontaneity
7 The term "lattice energy" is applicable to Ionic compunds Covalent compunds Gases Metals
8 Ion an exothermic reaction , the nergy of products is Greater than reactants Less than reactants Equal to reactants Zero
9 Enthalpy change in hydration depends on. Charge Ion size Solvent nature All of these
10 Delta H = q at constant Pressure Energy Volume Temperature
11 Heat of combustion of H2 is used to determine Calorific value Enthalpy Ionization energy Lattice energy
12 specific heat capacity is amount of heat needed to raise temp of  1 mole 1 gram 1 kg 100 grams
13 Which of the following has maximum heat capacity Water Mercury Ethanol Iron
14 Which of the following is used to measure heat changes. Calorimeter Voltmeter Thermometer Barometer
15 The equation q = mc Delta T is used to find. Enthalpy of formation  Heat transferred Molar mass Volume
16 The energy required to break a chemical bond is called. Ionization energy Bond energy Enthalpy Activation energy
17 Which of the following affects bond energy. Bond length Bond length Atomic size All of these
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