GK Quiz 31: Chemistry Quiz for SSC and other exams

General Awareness Quiz – Chemistry

General Awareness Quiz Set 31 for SSC CGL, SSC CHSL and Railways exams. Chemistry Quiz for SSC CGL, SSC CHSL, Railways etc.

Topic: General Science – Chemistry

  1. The freezing point of water at 760 mm pressure is:
    A) 100 K

    B) 273° C
    C) 0 K
    D) 40° C
    View answer
      Option C
    Explanation: 0 K.
  2. Alpha particle consists of:
    A) 1 neutron, 1 proton.

    B) 2 neutron, 1 proton.
    C) 2 neutron, 2 proton.
    D) 1 neutron, 2 proton.
    View answer
      Option C.
    Explanation: 2 neutron, 2 proton.
  3. S.I unit of Magnetic Flux Density :
    A) Tesla

    B) Coulomb
    C) Weber
    D) None of these
    View answer
    Option A
    Explanation :Tesla. ;
    Coulomb: S.I units of Electric Charge.; Weber: SI unit of Magnetic Flux.
  1. Which of the following is insulator?
    A) Magnesium

    B) Porcelain
    C) Nickel
    D) Human Skin
    View answer
    Option B
    Explanation: Porcelain.
    Magnesium : is a metal and is a good. conductor. Nickel: is a good conductor.
  1. S.I unit of Gas Pressure?
    A) Pascal

    B) Joule
    C) Torr
    D) Newton
    View answer
    Option A.
    Explanation: Pascal.
    Joule: S.I unit of Energy.; Newton: S.I unit of Force.; Torr: S. I units of pressure based on absolute scale.
  1. Father of modern chemistry?
    A) Dimitri Mendeleev

    B) Lavoisier
    C) Pauling
    D) John Dalton.
    View answer
    Option B.
    Explanation: Lavoisier.
  2. Out of the following options which one is an organic acid?
    A) Acetic Acid

    B) Hydrochloric Acid
    C) Phosphoric Acid
    D) Boric Acid
    View answer
    Option A.
    Explanation: Acetic Acid.
  3. Chemical name of CAUSTIC SODA?
    A) Calcium Hydroxide.

    B) Sodium Hydroxide.
    C) Potassium Hydroxide.
    D) None of these.
    View answer
    Option B.
    Explanation: Sodium Hydroxide.
  4. UREA consists of:
    A) Carbon, Nitrogen, Phosphorus.

    B) Carbon, Nitrogen, Fluorine.
    C) Oxygen, Nitrogen, Phosphorus
    D) Carbon, Nitrogen, Oxygen.
    View answer
    Option D.
    Explanation: Carbon, Nitrogen, Oxygen.
  5. pH value of Vinegar?
    A) <7

    B) >7
    C) =7
    D) None of these.
    View answer
    Option A.
    Explanation: pH value ranges from 0 to 14. For acids it is <7, Neutral Substances have pH=7 and the basis and alkali have ph>7. Vinegar is a acid whose pH value is between 2 and 3.

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