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Chemistry (Civil Service Examination), Questions and Answers, GK for UPSC, Bank PO & All Exams


1. The difference between a nuclear reactor and an atomic bomb is that [1995]


2. In an atom, the order of filling up of the orbitals is governed by [2001]


3. The chemical used as a 'fixer'in photography is [1995]


4. A radioactive substance has a half-life of four months. Three-fourth of the substance would decay in [2001]


5. Aluminium surface are often 'anodized'. This means the deposition of a layer of [2000]



6. Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance? [1996]


7. 'Yellow cake', at item of smuggling across border is


8. With reference to ionic compounds, consider the following statements: [2003]
1. Ionic compounds are insoluble in alcohol.
2. Ionic compounds in the solid state are good conductor of electricity.
Which of these statements is/are correct?


9. Consider the following statements with reference to the periodic table of chemical elements: [2001]
1. Ionisation potential gradually decreases along a period
2. In a group of elements, electron affinity decreases as the atomic weight increases
3. In a given period, electronegativity decreases as the atomic number increases
Which of these statement (s) is/are correct?


10. Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shaver etc? [1995]


General Knowledge

1. World Geography -Test-01
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3. World Geography -Test-03
4. Geography of India -Test-01
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  • Rules to play Figure Skating

    Pair skating

    Pair skating is a figure skating discipline. International Skating Union (ISU) regulations describe pair teams as consisting of one lady and one man. The sport is distinguished from ice dancing and single skating by elements unique to pair skating, including overhead lifts, twist lifts, death spirals, and throw jumps. The teams also perform the elements of single skating in unison. Pair skating requires similar technique and timing on all elements of the performance, as well as practice and trust between the partners. The aim is to create an impression of two skating as one. Serious skating accidents are most common in the pair discipline.

    In February 1908, pair skating first appeared at the World Championships, with three teams from Germany, the United Kingdom, and Russia competing in Saint Petersburg. Its Olympic debut was in October 1908, with three teams competing in London, one from Germany and two from the U.K. Pair skating has evolved significantly since its early beginnings. Some elements common in the modern day sport were not introduced until decades later.


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