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  • Chemistry GK Questions and Answers Set 20

    July 8, 2019 by Job Alert

    Chemistry GK questions and answers Set 20 for competitive exams Quiz  UPSC, SSC CGL General Awareness, NEET, CTET. Chemistry General Knowledge Questions One Liner for Practice  science Talent Test and Class 10and 12th entrance Test so for

    1 .Ultra purification of a Metal is done by-
    Answer
    Zone Melting
    View Answer

    2 .Glass is a -
    Answer
    Supper cooled Liquid
    View Answer

    3 .Which of the following contains high content of Lead?
    Answer
    High octane fuel
    View Answer

    4 .Which of the following is not favourable to prevent iron from rusting?
    Answer
    Annealing
    View Answer

    5 .Which of the following is responsible for extra strength of Pyrex glass?
    Answer
    Borax
    View Answer

    6 .Which one of the following metals does not react with water to produce hydrogen?
    Answer
    Cadmium
    View Answer

    7 .Which one of the following reacts with Fehling's solution?
    Answer
    HCHO
    View Answer

    8 .Sodium vapor Lamps glow with yellow Light. This is due to-
    Answer
    Sublimation of sodium to emit yellow colour
    View Answer

    9 .The Element which does not occours in nature but can be formed, is
    Answer
    Radium
    View Answer

    10 .Which of the following elements behave chemically both as metal and a non- metal?
    Answer
    Boron
    View Answer

    11 .Which of the following metal has maximum electrical conductivity?
    Answer
    Silver
    View Answer

    12 .Which of the following is most bad conductor?
    Answer
    Lead
    View Answer

    13 .Bronze is an alloy of-
    Answer
    Copper and Tin
    View Answer

    14 .Shock absorbers are usually mode of steel as it?
    Answer
    Has Higher elasticity
    View Answer

    15 .Identify the metal which is non-toxic in nature-
    Answer
    Gold
    View Answer

    « Previous 1 2 Next »


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