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[" 10.A thin ballon niled with air at "4...

[" 10.A thin ballon niled with air at "47^(@)C" has a vol- "],[" ume of "3" lite.If on placing it in a cooled room "],[" its volume becomes "2.7" litre,the tempera- "],[" ture of room is : "],[[" (A) "42^(@)," (B) "100^(@)C],[" (C) "15^(@)C," (D) "200^(@)C]]

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