Online Tests 2017

GK Questions: General Science(Chemistry) – Set 11

Hello Aspirants. Welcome to Online General Knowledge section in Affairs cloud, which is important for all the competitive exams. We have created Some questions related to General Science(Chemistry) !!!

  1. The Lewis acids are ……………….
    1.Electron  repeller
    2.Electron Affinity
    3.Electron Adsorbant
    4.Electron Deficients
    5.None of these
    Answer & Explanation
  2. The number of fundamental particles in an atom of the lightest isotope carbon are
    1.8
    2.12
    3.18
    4.20
    5.None of these
    Answer & Explanation
  3. The Octet rule does not always hold for which of the following elements ?
    1.S
    2.P
    3.F
    4.D
    5.None of these
    Answer & Explanation
  4. Shielding effect across the period is ……………………
    1.Constant
    2.Increasing
    3.Decreasing
    4.Decreasing and Increasing
    5.None of these
    Answer & Explanation
  5. The number of isotopes of elements with even mass number and even atomic number are
    1.154
    2.123
    3.145
    4.134
    5.None of these
    Answer & Explanation
  6. Unit rate of reaction is ………………….
    1.Moles dm -1 sec -1
    2.Moles dm -1 sec -2
    3.Moles dm -3 sec -2
    4.Moles dm -3 sec -1
    5.None of these
    Answer & Explanation
  7. Geometric Isomerism found in ……………..
    1.Alkynes
    2.Alkenes
    3.Alkanes
    4.All of these
    5.None of these
    Answer & Explanation
  8. Litmus is obtained from …………………..
    1.protozoa
    2.Fungus
    3.archaea
    4.Lichens
    5.None of these
    Answer & Explanation
  9. Rock salt is a mineral containing which of the following ?
    1.Cadmium
    2.Nitrogen Oxide
    3.Sodium chloride
    4.Chlorine
    5.None of these
    Answer & Explanation
  10. Which of the following is Dry ice ?
    1.Solid carbon dioxide
    2.Solid carbon monoxide
    3.Liquid carbon dioxide
    4.Liquid carbon monoxide
    5.None of these
    Answer & Explanation