GK Quiz 49: Chemistry Quiz for SSC and other exams

General Awareness Quiz – General Science

General Awareness Quiz Set 49 for SSC CGL, SSC CHSL and Railways exams. Chemistry Quiz for SSC CGL, SSC CHSL, Railways etc.

Topic: General Science – Chemistry

  1. Gypsum is used for improvement of?
    A) Podsols

    B) AcidicSoils
    C) Alkaline Soils
    D) Saline Soils
    View answer
      Option D.
    Explanation: It improves Saline Soils by removing Sodium from soils and replacing it with calcium.
  2. Ultraviolet rays acts as _______ when used in water treatment
    A) Flocculator

    B) Hydrolyser
    C) Precipitator
    D) Disinfectant
    View answer
      Option D.
  3. Coating of solid metals with imperious material is known as?
    A) Landfill

    B) Capping
    C) Chemical Fixation
    D) Encapsulation
    View answer
    Option D.
    Explanation: Encapsulation
  4. The presence of cobalt in Vitamin B12 was established for the first time by?
    A) Sodium Nitroprusside Test

    B) Hydrolysis Test
    C) Spectroscopy
    D) Borax Bead Test
    View answer
    Option C.
    Explanation: Spectroscopy.
  5. Which of the following doesn’t contain Silver?
    A) Lunar Caustic

    B) Ruby
    C) German Silver
    D) Horn Silver
    View answer
    Option C.
    Explanation: German Silver(it is also known as Nickel Silver).
  6. Which is Natural Colloid?
    A) Sodium Chloride

    B) Blood
    C) Cane Sugar
    D) Urea
    View answer
    Option B.
    Explanation: Blood.
  7. Silicon is polymer of?
    A) Silane

    B) Tetra Alkyl Silane
    C) DialkylDiachloroSilane
    D) Silicon TetraChloroide
    View answer
    Option C.
    Explanation: DialkylDiachloroSilane.
  8. An element of Atomic No. 29 belongs to which block?
    A) d-block

    B) p-block
    C) f-block
    D) s-block
    View answer
    Option A.
    Explanation: Cu (29) belongs to d-block.
  9. Neutrons are slowed down in Nuclear Reactor by?
    A) Moderator

    B) Control Rods
    C) Fissionable Material
    D) Cooling System
    View answer
    Option A.
    Explanation: Moderator.
  10. The filter over which sewage is sprinkled is called as?
    A) Percolating Filter

    B) Trickling Filter
    C) Contact Bed
    D) Intermittent Sand Filter
    View answer
    Option B.
    Explanation: Trickling Filter.

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