General Awareness Quiz – Chemistry

General Awareness Quiz Set 70 for SSC CGL, SSC CHSL and Railways exams. Chemistry Quiz for SSC CGL, SSC CHSL, Railways etc.

Topic: General Science- Chemistry

1. Baryllium Sulfate BeSO₄ is less soluble in water due to?
   A) High Inflammable Energy
   B) Low Energy of Dissociation
   C) Ionic Band
   D) Low Inflamable Energy
   
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     Option A
   Explanation: High Inflammable Energy.
2. The system which uses radioactivity to decide the period of materials of pre-historic period is known as?
   A) Carbon Dating
   B) Radium Dating
   C) Uranium Dating
   D) Deuterium Dating
   
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     Option A.
   Explanation: Carbon Dating.
3. Cement is made hard with
   A) Dehydration
   B) Hydration and Dissociation of Water
   C) Dissociation of Water
   D) Polymerisation
   
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   Option B.
   Explanation: Hydration and Dissociation of Water.
4. What happens when a chemical bond is formed?
   A) Energy is always released
   B) Energy is always absorbed
   C) Energy is neither released nor absorbed
   D) More Energy is released than is absorbed.
   
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   Option B.
   Explanation:Energy is always absorbed.
5. Which among the following is a Carbohydrate?
   A) Cane Sugar
   B) Nylon
   C) Turpentine
   D) Hydrogen-Peroxide
   
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   Option A.
   Explanation: Cane Sugar.
6. Maximum iron ore is found in which of the following states?
   A) FeCO₃
   B) Fe₂O₃
   C) Fe₃O₄
   D) FeS₂
   
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   Option B.
   Explanation: Fe₂O_3.
7. Which of the following Laws states that “All the four quantum numbers of the electrons in an atom are not the same.”?
   A) Avagadro’s Law
   B) Uncertainty Principle of Hiesenberg
   C) Hund’s Law
   D) Exclusion Principle of Pauli
   
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   Option D.
   Explanation: Exclusion Principle of Pauli.
8. Commercial Nitric Acid is colored because it contains desolved:
   A) Nitrogen Dioxide
   B) Nitrogen Oxide
   C) Coloured Impurities
   D) Oxygen
   
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   Option A.
   Explanation: Nitrogen Dioxide.
9. Fertilizer having high nitrogen content is:
   A) Ammonium Sulphate
   B) Ammonium Nitrate
   C) Urea
   D) Calcium Citrate
   
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   Option B.
   Explanation: Ammonium Nitrate.
10. The oxygen that keeps us alive comes from?
    A) Oxides of Minerals
    B) Carbonates absorbed from soil
    C) Water
    D) Carbon Dioxide
    
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    Option C.
    Explanation: Water.

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