General Awareness Quiz – Chemistry

General Awareness Quiz Set 107 for SSC CGL, SSC CHSL and Railways exams. Chemistry Quiz for SSC CGL, SSC CHSL, Railways etc.

Topic: General Science – Chemistry

1. Paramagnetism” is the property of
   (a) Paired electrons
   (b) Completely filled electronics subshells
   (c) Unpaired electrons
   (d) Completely vacant electronic subshells
   
   View answer

    Option C.
   Explanation: Unpaired electrons.
2. The elements in the modern Periodic table are arranged according to their
   (a) Mass number
   (b) Neutron number
   (c) Atomic number
   (d) Atomic Weight
   
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    Option C.
   Explanation:Atomic Number
3. The influence of temperature on reaction rate is predicted by
   (a) van der Waals equation
   (b) Kirchhoff’s equation
   (c) Arrhenius equation
   (d) Lewis equation
   
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     Option C.
   Explanation:Arrhenius equation.
4. The structure of (HPO₃)₃is
   (a) Linear
   (b) Tetrahedral
   (c) Cyclic
   (d) Octahedral
   
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   Option C.
   Explanation: Cyclic.
5. Peptization is a process of
   (a) precipitation of colloidal particles
   (b) purification of colloids
   (c) protection of colloidal solution
   (d) dispersing precipitates into colloidal solution
   
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     Option D.
   Explanation: dispersing precipitates into colloidal solution.
6. Which of the following elements is found in all organic compounds
   (a) Carbon
   (b) Calcium
   (c) Nitrogen
   (d) Oxygen
   
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   Option A.
   Explanation:Carbon.
7. The metal ion present in Vitamin B12 is
   (a) Nickel
   (b) Cobalt
   (c) Iron
   (d) Zinc
   
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   Option B.
   Explanation: Cobalt
8. The aqueous solution of potassium chloride is
   (a) a weak electrolyte
   (b) a strong electrolyte
   (c) a non-electrolyte
   (d) initially weak and then become a strong electrolyte
   
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     Option B.
   Explanation:a strong electrolyte.
9. The compounds formed when hydrogen combines with p-block elements are called
   (a) Ionic hydrides
   (b) Molecular hydrides
   (c) Metallic hydrides
   (d) Polynuclear hydrides
   
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   Option B.
   Explanation: Molecular hydrides.
10. Aqueous solution of which of the following is a good conductor of electricity
    (a) Ammonium acetate
    (b) Glucose
    (c) Ammonia
    (d) Acetic acid
    
    View answer

      Option A.
    Explanation: Ammonium Acetate.

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