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Federal Board HSSC Part I Chemistry Question Papers

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Board of Intermediate & Secondary Education, Federal (Federal Board) HSSC 2012 Chemistry question paper with answers Federal Board Class 11th Chemistry 2012 Question with solution you can download it in FREE, if Federal Board HSSC Part I Chemistry 2012 paper in text or pdf for BISE Federal Class XI Chemistry 2012 you can download Federal Board HSSC (11th) 2012 page also just Go to menu bar, Click on File->then Save.

Board of Intermediate & Secondary Education, Federal (Federal Board) 2012 HSSC Chemistry Question paper Free Download PDF is available in BISE Federal HSSC Part 1 which has been provided by many students this BISE Federal Class 11th Chemistry 2012 paper is available for all the students in FREE and also Federal Board XI Class Chemistry question paper 2012 fully solved Federal Board School

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CHEMISTRY HSSC—I
SECTION — A (Marks 17)

(i) The blue colour of water in sea is due to —
A Reflection of blue sky by sea water
B Reflection of blue light by impurities in sea water
C. Scattering of blue light by H20 molecules
D. Absorption of other colours except due by HO molecules

(ii) An ionic compound will dissolve in water only if —
A. Hydration energy low and lattice energy high
B. Hydration energy high and lattice energy low
C. Hydration energy high and lattice energy very high
D. Hydration energy and lattice energy low

(iii) For any system the difference between enthalpy and internal energy can be expressed as ______
A. CP B. CV
C. RT D. PV

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