Chemistry Solved MCQs for PPSC FPSC NTS and Lecturer

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Chemistry Solved MCQs for PPSC FPSC NTS and Lecturer

Here you can find Chemistry Solved MCQs.All Exams solved short answers. PPSC FPSC NTS SPSC BPSC and Lecturer Solved MCQs. Let’s start Chemistry Solved MCQs.

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Question: 1. Chemistry is the study of:
A. matter
B. energy
C. properties
D. structures
Question: 2. Physical chemistry is the
A. main branch
B. small branch
C. side branch
D. actual branch
Question: 3. The matter is composed of
A. radicals
B. molecules
C. atoms
D. ions

Question: 4 Atoms are the building blocks of
A. nucleus
B. energy
C. matter
D. light
Question: 5 A sample of pure matter is also called
A. reactant
B. substance
C. product
D. element
Question: 6 a substance that is composed of more than one substances but not in a fixed ratio is
A. mixture
B. compound
C. product
D. element`
Question: 7. A substance that is constant in composition be the weight of different elements is
A. an element
B. mixture
C. liquid
D. compound
Question: 8. Properties that distinguish a substance from others but does not tell about its reaction ability will be a
A. energetic property
B. reacting property
C. chemical property
D. physical property
Question: 9. A mixture which has substances in fixed ratio throughout is a
A. compound
B. heterogeneous
C. homogeneous
D. element
Question: 10. The boiling point of a liquid is a
A. physical property
B. bonding property
C. internal property
D. chemical property
Question: 11. The melting point of a substance is a
A. Chemical property
B. internal property
C. basic property
D. physical property

Question: 12. The boiling point of a liquid is a
A. physical property
B. bonding property
C. internal property
D. chemical property
Question: 13. Ice and water are forms of matter
A. like
B. alike
C. same
D. different
Question: 14. Ice and water are merely different states
A. solid
B. chemical
C. physical
D. liquid
Question: 15. When ice melts, it is a
A. physical change
B. internal change
C. chemical change
D. external change

Question: 16. If a property of a substance indicates its ability to react, it is
A. physical property
B. reacting property
C. reducing property
D. chemical property
Question: 17. If during reaction, chemical bonds of a substance break, its properties change are
A. chemical
B. physical
C. internal
D. external
Question: 18. If a substance undergoes a chemical reaction, their properties changes are
A. physical
B. apparent
C. internal
D. chemical
Question: 19. When breaking of chemical bonds occur in a reaction, new substances
A. change
B. form
C. disappear
D. reappear
Question: 20. Matter exists in different states
A. 3
B. 4
C. 2
D. 1
Question: 21. Burning is a process
A. chemical
B. physical
C. nuclear
D. biological
Question: 22. Molecular of gas can
A. move
B. repel
C. attract
D. cannot move
Question: 23. Gases possess a volume which is
A. different
B. fixed
C. not fixed
D. indefinite

Question: 24. Gaseous state is a form of matter
A. solid
B. complicated
C. simple
D. liquid
Question: 25. Volume of a gas changes with
A. nature of gas
B. size of atoms
C. nature of contained
D. shape of molecules
Question: 26. Gases occupy volume
A. definitely
B. all available
C. indefinitely
D. partially
Question: 27. Because gases adopt the shapes of the container, they have
A. different shapes
B. fixed shapes
C. no fixed shapes
D. definite shapes

Question: 28. Gases can be compressed by
A. increasing temperature
B. changing conditions
C. decreasing pressure
D. increasing pressure
Question: 29. On compressing the gas, molecules
A. come close
B. go away
C. reduce their volume
D. change their shape
Question: 30. If the molecules of different gases do not react chemically, they can
A. defuse
B. refuse
C. escape
D. trap
Question: 31. When gases are allowed to expand, suddenly they
A. heat up
B. collapse
C. react
D. cool

Question: 32. The volume of a mixture of gases is related to the volume of individual gas
A. directly
B. indirectly
C. independent
D. dependent
Question: 33. Increasing the temperature of a gas increases its
A. volume
B. kinetic energy
C. pressure
D. repulsive
Question: 34. Pressure of the gas molecules per unit area is
A. a force
B. collision
C. molecules
D. volume
Question: 35 The total pressure of mixture gas is that of individual gases
A. sum of partial pressures
B. multiple of partial pressure
C. difference in partial pressure
D. independent of partial pressure

Question: 36, The Pascal meter square is equal to
A. equivalent
B. equal
C. not equal
D. different
Question: 37. The SI unit for the measurement of pressure of gas is
A. Newton
B. Pascal
C. Pound
D. Core Lomb
Question: 37. Newton per meter square is equal to
A. one Pascal
B. one ton
C. one atmosphere
D. one PSI
Question: 38. The instrument to measure the pressure of the gas is called
A. Viscometer
B. stalagmometer
C. barometer
D. photometer
E.
Question: 39.The temperature scale showing the freezing point of water as 0° is called
A. Fahrenheit
B. kelvin
C. absolute
D. Celsius
Question: 40. With a decrease in temperature the kinetic energy of the molecules
A. decreases
B. increases
C. does not change
D. remains the same
Question: 41. By compression, all gases can be converted to
A. solid
B. liquid
C. liquid and then solid
D. liquids only
Question: 42. When due to cooling and an increase in pressure on gas molecule approach each other, there occur
A. evaporation
B. condensation
C. crystallization
D. solidification

Question: 43. On coiling the intermolecular forces overcome the energy of molecules
A. potential
B. chemical
C. kinetic
Question: 44. As on condensation the empty spaces between the molecules are reduced the liquids and solids are almost
A. compressible
B. incompressible
C. comparable
D. incomparable
Question:45. Although intermolecular forces in liquids are sufficient enough, even then molecules can have motion.
A. vibrational
B. ration
C. complete
D. translational
Question: 46. As molecules in liquid can slide part each other, they have
A. definite shape
B. indefinite shapes
C. complete
D. changing shape
Question: 47. As liquids are miscible with each other they are
A. mixable
B. diffuse able
C. solvable
D. diffuse able
Question: 48.solids cannot diffuse in each other as their molecules are
A. light
B. heavy
C. bonded by strong forces
D. bonded in lattice
Question: 49. When kinetic energy of molecules of liquid is decreased sufficiently, short-range attractive forces cause
A. solidification
B. evaporation
C. crystallization
D. liquefaction
Question: 50. The properties of liquid that depend mainly on the number of molecules and not on their nature are
A. comparative
B. constitutive
C. colligative

 

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