The most electronegative element among the following is


Options: sodium,    bromine,    fluorine,    oxygen

Ans:C,C


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Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

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It takes much longer to cook food in the hills than in the plains, because
Options: in the hills the atmospheric pressure is lower than that in the plains and therefore water boils at a temperature lower than 100oC causing an increase in cooking time,    due to low atmospheric pressure on the hills, the water boils at a temperature higher than 100oC and therefore water takes longer to boil,    in the hills the atmospheric density is low and therefore a lot of heat is lost to the atmosphere,    in the hills the humidity is high and therefore a lot of heat is absorbed by the atmosphere leaving very little heat for cooking

Ans:A,A


The main properties of cosmic ray particles are
Options: its electric charge,    its rest mass,    its energy,    All of these are its properties

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The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of
Options: bromine,    fluorine,    chlorine,    sulphur

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The annual yield from which of the following Union Government taxes is the highest?
Options: Custom duties,    Corporation tax and income tax,    Inheritance tax, wealth tax, interest tax and gift tax,    Excise duties

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The percentage of sun's radiation reflected back into space is about
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The snow line on the northern side of greater Himalayas range about
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The group of metals Fe, Co, Ni may best called as
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The imaginary line on the earth's surface, which closely follows the 180 º meridian, is called the
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Non stick cooking utensils are coated with
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The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
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The imaginary axis at which the earth rotates remains inclined at an angle of ____ to the plane of earth's orbit.
Options: 44 1/2 °,    55 1/2 °,    66 1/2 °,    0 °

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Who among the following invented the small pox vaccine?
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Marco Polo
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Where did 2010 Commonwealth Games took place?
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20th August is celebrated as
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The production of wheat has increased mainly due to
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