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5 questions · 2008 · answers as per the UPSC key

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All years of Chemistry · Full UPSC 2008 paper
UPSC 2008 · Q8 · Science & Technology › Chemistry · Save

What is Bisphenol A (BPA)?

(a) A medical test for detecting cancer
(b) A test for testing the use of drugs to improve performance by athletes
(c) A chemical used for the development of food-packaging materials
(d) A special type of alloy steel
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Answer: (c) A chemical used for the development of food-packaging materials
UPSC 2008 · Q60 · Science & Technology › Chemistry · Save

What is Agent Orange?

(a) An ace spying group trained by the Police in London
(b) A weed-killing chemical used by the US Military in the Vietnam War
(c) A technique used in the advanced railway safety procedure
(d) A special chemical used in making alloy steel
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Answer: (b) A weed-killing chemical used by the US Military in the Vietnam War
UPSC 2008 · Q77 · Science & Technology › Chemistry · Save

Who among the following discovered heavy water?

(a) Heinrich Hertz
(b) H. C. Urey
(c) G. Mendel
(d) Joseph Priestley
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Answer: (b) H. C. Urey
UPSC 2008 · Q114 · Science & Technology › Chemistry · Save

Which one of the following is also called Stranger Gas?

(a) Argon
(b) Neon
(c) Xenon
(d) Nitrous oxide
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Answer: (c) Xenon
UPSC 2008 · Q116 · Science & Technology › Chemistry · Save

Which one of the following pairs of metals constitutes the lightest metal and the heaviest metal, respectively?

(a) Lithium and mercury
(b) Lithium and osmium
(c) Aluminium and osmium
(d) Aluminium and mercury
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Answer: (b) Lithium and osmium