CHE201 Final Term Practice Quiz

CHE-201 MCQ’s FOR FINALS PREPRATION

Q1. The study of the underlying physical principles that govern the properties and behavior of chemical systems.

1. Thermodynamics
2. Physics
3. Physical chemistry
4. Analytical chemistry

Correct answer: Physical chemistry

Q2. -------- is based on the concept of molecules.

1. Macroscopic viewpoint
2. Microscopic viewpoint

Correct answer: Macroscopic viewpoint

Q3. ------ large-scale properties of matter explicit use of the molecule concept.

1. Microscopic viewpoint
2. Macroscopic viewpoint

Correct answer: Macroscopic viewpoint

Q4. -------- is the study of heat, work, energy, and the changes they produce in the states of systems.

1. Physical chemistry
2. Thermodynamics
3. Chemistry
4. Analytical chemistry

Correct answer: Thermodynamics

Q5. Thermodynamics studies the relationships between the --------properties of a system

1. Macroscopic
2. Microscopic

Correct answer: Macroscopic

Q6. Independent of molecular theories of structures?

1. Equilibrium thermodynamics
2. Irreversible thermodynamics

Correct answer: Equilibrium thermodynamics

Q7. A non-isolated system is in equilibrium when the following conditions hold

1. The system’s macroscopic properties remain constant with time
2. Removal of the system from contact with its surroundings causes no change in the properties of the system
3. Both a and b
4. None

Correct answer: Both a and b

Q8. A homogeneous part of a system is called

1. Equilibrium
2. Phase
3. Open system
4. Closed system

Correct answer: Phase

Q9. -----thermodynamic property is one whose value is equal to the sum of its values for the parts of the system.

1. Intensive
2. Extensive

Correct answer: Extensive

Q10. Volume, mass are examples of

1. Extensive thermodynamic property
2. Intensive thermodynamic property
3. Both
4. None

Correct answer: Extensive thermodynamic property

Q11. Density and pressure are examples of

1. Extensive thermodynamic property
2. Intensive thermodynamic property
3. Both
4. None

Correct answer: Intensive thermodynamic property

Q12. Values given to the thermodynamic property of an equilibrium state of thermodynamic system is called.

1. Phase
2. State function
3. Intensive property
4. extensive property

Q13. Heat and work are not state functions. This statement is…

1. True
2. False

Correct answer: True

Q14. The pressure force always acts on a surface in a direction ------- or normal to the surface.

1. Parallel
2. Perpendicular
3. Horizontal
4. Vertical

Correct answer: Perpendicular

Q15. 1atm = -------

1. 101.325 kpa
2. 1001.326 kpa
3. 100 kpa
4. 99.34 kpa

Q16. The standard C-12 is used since

1. 1961
2. 1981
3. 1982
4. 1962

Correct answer: 1961

Q17. Avogadro's number of 12 C atoms has a mass of

1. 6.02 * 10 raise to power 23
2. 12 g
3. 10 g
4. 6.02 g

Correct answer: 12 g

Q18. The average mass of an atom is called

1. Atomic mass
2. Molecular mass
3. Avogadro's number
4. Molecular weight

Correct answer: Atomic mass

Q19. The average mass of a molecule is called

1. Atomic mass
2. Molecular mass
3. Avogadro's number
4. Molecular weight

Correct answer: Molecular mass

Q20. The mass per mole of a pure substance is called

1. Atomic mass
2. Molecular mass
3. Molar mass
4. Avogadro's number

Correct answer: Molar mass

Q21. Molar mass is expressed in

1. g/mol
2. Gram-mol
3. g/mol2
4. None

Correct answer: g/mol

Q22. When we do calculations we assume that our gases are behaving as

1. Real gases
2. Ideal gases

Correct answer: Ideal gases

Q23. Who is considered the father of chemistry

1. Robert Boyle
2. Jacques Charles

Correct answer: Robert Boyle

Q24. If the pressure = 0 then Boyles law hold for it

1. True
2. False

Correct answer: False

Q25. Boyles law holds for

1. Real gases
2. Ideal gases
3. Both
4. None

Correct answer: Real gases

Q26. Relation between n and V is shown by

1. Charles law
2. Avogadro's hypothesis
3. Boyle's law
4. None

Correct answer: Avogadro's hypothesis

Q27. The energy change associated with a chemical reaction is called

1. Internal energy
2. Enthalpy
3. Heat
4. Work

Correct answer: Enthalpy

Q28. DSuniverse = DSsystem + DSsurroundings > 0 this equation show a

1. Spontaneous process
2. Equilibrium process
3. Both
4. None

Correct answer: Spontaneous process