Latest NTS Mcqs For Educators Subject CHEMISTRY solved Free Download

Dear Candidates Latest NTS Mcqs For Educators Subject CHEMISTRY solved Free Download Here Must Read for Success of Nts Test .For More Mcqs Visit latestjobs.com.pk.

  1. The branch of chemistry which deals with radio activity , nuclear processes and properties is called
    1.  Industrial chemistry                  2. Bio chemistry                3. Nuclear chemistry                      4. Analytical chemistry
  2. Silicon forms ………… per cent of earth crust                          1.  8 %       2.  47%        3.   28%      4.    78%
  3. Elements are represented by …..
    1. Formulas        2. Signs     3.  Symbols    4. Abbreviation
  4. The symbol of thiosulphate is …………
    1.  SO4-2 2.   SO3-2      3.  S2O3-2      4.  SO4-3
  5. The chemical formula of lime stone is
    1. CaO     2. CaCO3    3. C12H22O11 4. SiO2
  6. Atomic mass unit is abbreviated as
    1.  AMU   2. A­mu   3. aMu   4.  Amu
  7. The empirical formula of benzene is
    1.  HC      2.   CO    3. CH   4.  OH
  8. Atom having positive charge is called
    1. Canion    2. Anion  3. Cation 4. Ion
  9. When a molecule losses or gains an electron it forms a ………….
    1. Anion   2. Cation   3.  Ion    4. Moleculer ion
  10.  Avagodro’s  number is
    1.  6.62* 1023   2.  6.00*1023   3. 6.02*1023    4. 6.02*1024
  11. Proton was discovered by
    1. Goldstein
    2. Thomas
    3. Daniel
    4. Emil
  12. Except electrons all other fundamental particles that lie within the  nucleus
    1. Nucleolus
    2. Neutrons
    3. Nucleons
    4. Protons
  13. Shell N has sub shells
    1.  One     2.  Two    3. Three   4.  Four
  14. Beryllium has electronic configuration
    1.  1s1   2. 1s2,2s2,2p1     3.  1s2,2s1      4.  2s2,2p4
  15. The hydrogen third isotop is
    1. Tritium   2. Protium   3. Deuterium   4. Alluminium
  16. To determine the age of carbon containing products the radio activity of ……….. isotop is measured
    1. C12
    2. C13
    3. C14
    4. C15
  17. Nutron was discovered in ……………
    1.  1931      2. 1932      3. 1933     4. 1934
  18. Relationship between atomic masses of several groups of three elements
    1.  Tetrad
    2. Triad
    3. Bivalent
    4. Pentavalent
  19. The electronic configuration of boron family  is
    1.  ns1
    2. ns2
    3. ns2 np1
    4. ns3 np4
  20. Br35 has electro negativity
    1.  4.0      2.   3.2      3.  3.0     4.  2.7
  21. Attaining eight electrons in the valence shell is called
    1. Triad rule    2. Tetrad rule   3.  Duplet rule   4.  Octet rule
  22. The bond form due to mutual sharing of electrons
    1. Ionic bond    2. Covalent bond    3.  Bond    4. Electronic bond
  23. The energy required to break the bond between hydrogen and chlorine  in hydrogen chloride is
    1.  410kJ       2.  420kJ      3. 430kJ      4. 440kJ
  24. One pascal is equal to
    1. 1Nm-2     2.  N-2    3.  NM-2    4.  Nm-3
  25. All inter molecular forces collectively called
    1. Dipole-dipole   2. Hydrogen bonding   3. Van der waals   4. Ionic bonding
  26. ………… configuration is stable one
    1. Metallic    2. Noble gas    3. Ionic   4. Electronic
  27. Identify the compound which is not soluble in water
    1. NaCl    2.  C6H6   3. KBr   4. MgCl2
  28. The product of pressure and volume of a fixed mass of gas is constant at a constant temperature
    1. Pascal’s law     2. Newton’s law   3. Boyle’s law    4. Charles’s law
  29. Diethyl ether has freezing point
    1. -115C       2.   -116C      3.  -113C     4.  -114C
  30. The existence of an element in more than one form in same physical state
    1. Electro plating     2. Galvanization     3. Allotropy       4. Sympatery
  31. Solids are classified as crystalline and
    1. Metals    2. Amorphous 3. Allotropic   4. Vapours
  32. Metal alloys like  ( brass , bronze ) has both elements …………
    1. Solids    2. Liquids   3. Gas    4. Vapors
  33. Molarity is represented by …….
    1. M     2. m      3. Mol    4.  Mole
  34. CuSo stands for
    1. Calcium sulphate      2. Carbon sulphate
    3. Crommium sulphate   4. Copper sulphate
  35. Particles of colloids are big enough to scatter the beam  of light called
    1.  Tyndall effect     2. Green house effect
    3. Vander wall effect    4.  Charles effect
  36. Loss of electron is called
    1. Oxidation    2. Reduction    3.  respiration     4. Redox reaction
  37. In neutral molecule the algebric sum of the oxidation number of all elements is
    1.    1.0
    2.   0
    3.  0.01
    4. 0.001
  38. Substances  which can conduct electricity in their aqueous solutions called
    1. Non electrolytes
    2. Electrolytes
    3. Strong electrolytes
    4. Week electrolytes
  39. A galvanic cell consists  of ………… cells
    1. Two    2.   Three     3.  One    4. Four
  40. When NaCl disassociates, Na has  ……….. charge
    1.  Positive     2.  Negative   3.  Neutral    4. Two
  41. 2Cl(l)  gives us on oxidation
    1. Cl2(g)  + 2e
    2.  2Cl2(g)   + 2e+
    3. Cl3(g) + 2e
    4. 2Cl2(g) + 3e
  42. Depositing one  metal over other called
    1. Allotropy      2.  Distillation    3. Sublimation    4. Electroplating
  43. ‘’ K ‘’ has  ………… atom number
    1.  18         2. 19         3.   22         4.   11
  44. Silver is lustrous metal
    1.   Grey       2.  White       3. Golden     4. Brown
  45. Gold is a yellow soft    ………….
    1. Alloy   2. Solid    3. Metal     4. Crystal
  46. The ionic size of calcium is
    1.   186,102 pm
    2.  160,72 pm
    3.  197,99 pm
    4. 170,81 pm
  47. The property of metals to lose their valance electrons called
    1. Electro negativity      2. Electro positivity
    3. Allotropy      4. Ionization
  48. The element in a group 2 are called
    1. Alkali     2. Metal      3. Alkaline  earth     4. Alloy
  49. Alkali metal do not react with ………… directly
    1. Hydrogen     2. Carbon     3.calcium     4. Nitrogen

50 The ionization energy of magnesium is

  1. 496    Kj/mol
    2. 738, 1450   Kj/mol
    3. 590,1145 Kj/mol
    4. 650,839  Kj/mol