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


1. The alpha particle carries two positive charge. Its mass is very nearly equal to that of [1996]


2. 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?


3. Assertion: Synthetic detergents can lather well in hard water.
Reason (R): Synthetic detergents form soluble calcium and magnesium salts with hard water. [2002]


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


5. Which one of the following statements is NOT correct? [2003]



6. 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]


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


8. 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]


9. Match List-I (Oxidation number) with List II (The element) and select the correct answer using the codes given below the lists: [2002]
List-I - List-II
(Oxidation number) - (The elements)
A. 2 - 1. Oxidation number of Mn in MnO2
B. 3 - 2. Oxidation number of S in H2S2O7
C. 4 - 3. Oxidation number of Ca in CaO
D. 6 - 4. Oxidation number of Al in NaAIH4 Codes:


10. Which one of the following elements is essential for the construction of nuclear reactors? [1998]


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
  • Strange Natural Wonders of the World
  • Myth about AIDS
  • Benefits of Nectarine
  • Top Billionaires
  • Most Beautiful Christian College and University Campuses in the World
  • Top Most Powerful Armies In The World

  • Precautions while using Social Networking Sites

    To avoid being tracked

    Sign out of all your accounts before browsing websites, or using search engines. Uninstall search tool bars that you might have installed. Check the extensions that your browser is running (refer to the browser Help section to know more about extensions), and disable the ones that you dont recognize.


    Chourishi Systems