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


1. Cobalt-60 is commonly used in radiation therapy because it emits [1999]


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


3. The most reactive among the halogens is [1997]


4. 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?


5. Consider the following statements: Hard water is not suitable for [2000]
1. drinking
2. washing clothes with soap
3. use in boilers
4. irrigating crops
Which of these statements are correct?



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


7. Which one of the following is NOT radioactive? [2001]


8. Assertion (A) : Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons.
Reason (R) : Ammonia can be liquefied at ambient temperature and low pressure. [2000]


9. 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?


10. Consider the following statements: [1998]
Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to
1. act as the reducing agent
2. remove silica associated with the iron ore
3. function as fuel; to supply heat
4. act as an oxidizing agent Of these statements


General Knowledge

1. World Geography -Test-01
2. World Geography -Test-02
3. World Geography -Test-03
4. Geography of India -Test-01
5. Geography of India -Test-02
6. Geography of India -Test-03
7. Geography of India -Test-04
8. Geography of India -Test-05
9. History of India - Test - 01
10. History of India - Test - 02
11. History of India - Test - 03
12. History of India - Test - 04
13. History of India - Test - 05
14. History of India - Test - 06
15. History of India - Test - 07
16. INM-Test-01
17. INM-Test-02
18. INM-Test-03
19. INM-Test-04
20. INM-Test-05
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