GURU MCQs provides MCQs of Chemistry from Basic to Advance, so that you can prepare accordingly. MCQs of Chemistry section covers important topics of chemistry. Most repeated Chemistry MCQs frequently encountered in Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments. Chemistry most repeated MCQs include Basic chemistry MCQs, Chemical Bond MCQs, Gases MCQs, Liquids and Solids MCQs, Hydrocarbons MCQs, Polymerization MCQs, Rates of Reactions MCQs, Transition Elements MCQs, Organic Chemistry MCQs, Electrons in Atoms MCQs, Moles and Equations MCQs, etc.
21. Enthalpy of a reaction can be measured by ____________________?
A. glass calorimeter
B. manometer
C. Barometer
D. thermometer
22. Most of thermodynamic parameters are_________________?
A. system
B. surrounding
C. phase
D. state functions
23. Two fundamental ways to transfer energy are________________?
A. pressure and temperature
B. pressure and volume
C. heat and work
D. heat and volume
24. Enthalpy change can be_________________?
A. calculated by Hess law
B. can be measured by calorimeter
C. both A and B
D. none
25. Enthalpy of combustion for food fuel and other compounds can be measured accurately by________________?
A. glass calorimeter
B. bomb calorimeter
C. thermometer
D. manometer
26. When enthalpy of reactants is higher than product then reaction will be_________________?
A. endothermic
B. spontaneous
C. non-spontaneous
D. exothermic
27. State function the macroscopic property of system depends upon________________?
A. path of reaction
B. initial state
C. final state
D. initial and final state
28. CuSO4 + Zn?ZnSO4+Cu is___________________?
A. Spontaneous reaction
B. Non-spontaneous reaction
C. Endothermic
D. Exothermic
29. Total energy of a system is_________________?
A. P.E + K.E
B. P.E + heat energy
C. K.E + heat energy
D. P.E + mechanical energy
30. Unit of heat in SI system is________________?
A. J
B. KCaL
C. Cal
D. GJ