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Chemistry In Action Test - 7

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Chemistry In Action Test - 7
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Weekly Quiz Competition
  • Question 1
    4 / -1

    A space rocket is propelled by

    Solution

    Rocket propellant are used as fuel for space rock.

     

  • Question 2
    4 / -1

    The propellant in the proposed PSLV rocket of the Indian space programme shall consist of

    Solution

    This PSLV rocket propellant is solid composite and this is biliquid propellant such as N2O4

     

  • Question 3
    4 / -1

    Thrust imparted to the rocket is governed by the

    Solution

    It is based on Newton's third law.

     

  • Question 4
    4 / -1

    Which of the following is used as an oxidiser in rocket propellants

    Solution

    Ammonium perchlorate, and nitric acid composite propellant is typically used as an oxidizer in aerospace propulsion application

     

  • Question 5
    4 / -1

    A combination of nitrocellulose and nitroglycerine is a propellant of the type

    Solution

    Nitroglycerin is combined with nitrocellulose to form gunpowders. N2O4 is added to acrylic rubber to increase its tensile strength

    This is called double base propellant

     

  • Question 6
    4 / -1

    Which of the following is not used in nail polish

    Solution

    Benzene (a Carcinogenic) is not used as a solvent in nail polish.

     

  • Question 7
    4 / -1

    One of the oxidants used with liquid propellants is

    Solution

    Dinitrogen tetraoxide is used as an oxidant with liquid propellant.

     

  • Question 8
    4 / -1

    Detergents are prepared by the action of H2SO4 followed by neutralization by starting with

    Solution

    Detergents can be obtained by the sulphonation of Lauryl alcohol followed by neutralisation.

     

  • Question 9
    4 / -1

    Further growth of cancerous cells in the body is arrested by

    Solution

    Paul Ehrlich, the father of chemotherapy defined it to injure or destroy infection micro-organism by the use of drugs without causing any injury to the host.

     

  • Question 10
    4 / -1

    Which one of the following is known as broad spectrum antibiotics  

    Solution

    Chloramphenicol is broad spectrum antibiotic used in the treatment of typhoid, dysentry, acute fever.

     

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