General Awareness Quiz – Chemistry

General Awareness Quiz Set 63 for SSC CGL, SSC CHSL and Railways exams. Chemistry Quiz for SSC CGL, SSC CHSL, Railways etc.

Topic: General Science- Chemistry

1. The name of the Unreactive Gas is?
   A) Oxygen
   B) Carbon Dioxide
   C) Nitrogen
   D) Hydrogen
   
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     Option C.
   Explanation: Nitrogen. .
2. The important metal is used with Iron to produce Stainless Steel is
   A) Chromium
   B) Aluminum
   C) Carbon
   D) Tin
   
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     Option A.
   Explanation: Chromium.
3. Which one of the following has greatest Mass?
   A) Hydrogen Nucleus
   B) Electron
   C) Neutron
   D) Proton
   
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   Option D.
   Explanation: Proton.
4. Stains of rust on clothes can be removed by?
   A) Petrol
   B) Alcohol
   C) Oxalic Acid
   D) H2O2
   
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   Option C.
   Explanation: Oxalic Acid.
5. _______ is a Colloidal system in which liquid is dispersed in a liquid
   A) Gel
   B) Precipitate
   C) Emulsion
   D) Sol
   
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   Option C.
   Explanation: Emulsion.
6. The Antiseptic compound present in dettol is?
   A) Enloroxylenol
   B) Iodine
   C) Biothional
   D) Cresol
   
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   Option A.
   If Explanation:Enloroxylenol.
7. Piped Natural Gas (PNG) is used for?
   A) Cooking
   B) Anesthesia
   C) Mining
   D) Welding
   
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   Option A.
   Explanation: Cooking.
8. Which metal is the heaviest metal in periodic table among the followings?
   A) Os
   B) Pb
   C) Pt
   D) W
   
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   Option A.
   If Explanation: Osmium (Os).
9. The chemical formula for laughing gas is?
   A) N2O2
   B) N2O
   C) NO
   D) N2O3
   
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   Option B.
   Explanation: N2O.
10. Ethanol containing 5% water is known as?
    A) Dilute Alcohol
    B) Absolute Alcohol
    C) Rectified Spirit
    D) Power Alcohol
    
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    Option C.
    Explanation: Rectified Spirit.

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