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


1. Consider the following chemicals: [2006]
1. Benzene
2. Carbon tetrachloride
3. Sodium carbonate
4. Trichloroethylene
Which of the above are used as dry cleaning chemical?


2. Which one of the following has the highest fuel value? [1997]


3. Which one among the following is called philosopher's wool? [2007]


4. The final Agent Orange raid in Vietnam took place in 1970- areas have begun to bloom again. But 19 years after the war's end, it seems plain that Agent Orange is kiIIing and maiming human beings, something it never intended to do. The apparent toxic fallout from those clouds-is a crop of human miseries including cancers, miscarriages and birth defects-that may persist for decades." [1995]
The offensive substance referred to in this quotation is:


5. Which one of the following is another name of RDX?



6. Which one of the following types of glass can cut off ultraviolet rays? [2007]


7. Assertion (A): Formic acid is a stronger acid than acetic acid. [1998]
Reason (R): Formic acid is an organic acid.


8. Which one of the following is produced during the formation of photochemical smog? [2003]


9. The purpose of adding sodium sulphate and sodium silicate to the detergent in a washing powder is [2003]
1. to keep the washing powder dry
2. to maintain the alkalinity of the powder Which of these statements is/are correct?


10. Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons? [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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  • Benefits of Papayas

    Papayas and Latex Allergy

    Papayas contain substances called chitinases that are associated with the latexfruit allergy syndrome. There is strong evidence of the crossreaction between latex and these foods. Papayas are spherical or pearshaped fruits that can be as long as 20 inches. The ones commonly found in the market usually average about 7 inches and weigh about one pound. Their flesh is a rich orange color with either yellow or pink hues. Inside the inner cavity of the fruit are black, round seeds encased in a gelatinouslike substance.


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