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Everyday Science (General Science) - MCQs


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Q13.
The main constituent of Vinegar is
  • A. ascorbic acid
  • B. citric acid
  • C. acetic acid
  • D. None of these

    Discuss    
Q14.
What is the pH of pure water ?
  • A. 5
  • B. 7
  • C. 9
  • D. None of about

    Discuss    
Q15.
In the heavy vehicles, diesel is used as fuel because
  • A. It has high power and economic savings.
  • B. It is less costly and useful for the fuel saving point of view
  • C. It has more mileage and the safe for the engine.
  • D. None of these

    Discuss    
Q16.
Glass is best described as a
  • A. Colloidal sol.
  • B. Solid
  • C. Supercooled liquid
  • D. None of these

    Discuss    
Q17.
Dry ice is
  • A. CO2 (s)
  • B. H2O(s)
  • C. NH3(g)
  • D. None of these

    Discuss    
Q18.
Which one of the following is the softest metal ?
  • A. Copper
  • B. Iron
  • C. Aluminium
  • D. Sodium

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