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

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

2. Hydrogen fuel cell vehicles produce one of the following as "exhaust" [2010]

3. 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?

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

5. Which one of the following metals does not form amalgam? [1998]

6. Which one of the following is not an essential micronutrient for plants? [1996]

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

8. Match the names of outstanding Indian scientists given in List I with area of their specialized work given in List II and select the correct answer by using the codes given below the lists: [1998]
List-1 - List-II
A. Dr. Raja Ramanna - 1. Plant chemistry
B. Dr. M.S. Swaminathan - 2. Nuclear physics
C. Prof. U.R Rao - 3. Thermodynamics & astrophysics
D. Prof. Meghnad Saha - 4. Space research
5. Agricultural science

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

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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