International Baccalaureate (IB) Pass Year Questions

May 2010

Chemistry HL paper 1 TZ1.pdf Chemistry HL paper 1 TZ1.pdf
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Chemistry HL paper 2 TZ1.pdf Chemistry HL paper 2 TZ1.pdf
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Chemistry HL paper 3 TZ1.pdf Chemistry HL paper 3 TZ1.pdf
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Markscheme May 2010

M 1 TZ1.pdf M 1 TZ1.pdf
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M 2 TZ1.pdf M 2 TZ1.pdf
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M 3 TZ1.pdf M 3 TZ1.pdf
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Nov 2010

Chemistry HL paper 1.pdf Chemistry HL paper 1.pdf
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Chemistry HL paper 2.pdf Chemistry HL paper 2.pdf
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Chemistry HL paper 3.pdf Chemistry HL paper 3.pdf
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Markscheme Nov 2010

M 1 TZ1.pdf M 1 TZ1.pdf
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M 1 TZ2.pdf M 1 TZ2.pdf
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M 1 TZ3.pdf M 1 TZ3.pdf
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Chapter : Organic Chemistry

Posted by Noor Syazlin Naim on Sunday, June 24, 2012,
(i)   A compound D has the molecular formula C2H4O2 and is obtained
      from a reaction between methanoic acid and methanol. Write an
      equation for this reaction and state the name of D.
     …………………………………………………………………………………………..
    …………………………………………………………………………………………..
    …………………………………………………………………………...
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Chapter : Acids and Bases

Posted by Nur Aa'in Mazura bt Che Mahtar on Sunday, June 24, 2012,
(i) Define the terms strong acid and weak acid. Using hydrochloric
    and ethanoic acid as examples, write equations to show the dissociation
    of each acid in aqueous solution.
    ……………………………………………………………………………………………
    ……………………………………………………………………………………………
    …………………………………………………………………………………â€...
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Chapter : Chemical Equilibrium

Posted by Noor Syazlin Naim on Sunday, June 24, 2012,
(i) Consider the following equilibrium reaction.
    2SO2(g) + O2(g) <-----> 2SO3(g)     ∆H = –198 kJ
    Using Le Chatelier’s Principle, state and explain what will happen to
    the position of equilibrium if
    (a)    the temperature increases.
.....................................................................................................................................
...................................................................................................................
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Chapter : Chemical Bonding

Posted by Noor Syazlin Naim on Sunday, June 24, 2012,
(i)    State the shape of the electron distribution around the oxygen atom
       in the water molecule and state the shape of the molecule.
………………………………………………………………………………………….
………………………………………………………………………………………….

(ii)    State and explain the value of the HOH bond angle.
…………………………………………………………………………………...
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Chapter : Periodic Table

Posted by Noor Syazlin Naim on Sunday, June 24, 2012,
  • Explain the following statements.
           (a)    The first ionization energy of sodium is
                (i)    less than that of magnesium.
                    …………………………………………………………………………………
                    …………………………………………………………………………………
                    …………………………………………………………………………………
                ...
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Chapter: Atomic Structure

Posted by Noor Syazlin Naim on Sunday, June 24, 2012,
  • The element vanadium has two isotopes, 51V  and 50V   and a relative atomic mass of 50.94.
            (a)    Define the term isotope.
                    ……………………………………………………………………………………….
                    ……………………………………………………………………………………….
            (b)    State and explain which is the more abundant isotope.
                    …………………………â...

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Chapter : Matter

Posted by Sariah bt Mohd Salleh on Sunday, June 24, 2012,
  • Naturally occurring iridium, Ir is composed of 2 isotopes 191IR and 193IR in the ratio 5:8. The relative mass of 191IR and 193IR are 191.02 and 193.025 respectively. Calculate the relative atomic mass or iridium.

           (Ans : 192.254)

  • In a certain experiment, 14.6g of SbF3 was allowed to react with CCl4 in excess. After the reaction was finished, 8.62g of CCl2F2 was obtained. 
               3 CCl4     +     2 SbF3  ----> 3 CCl2F2    +    2 SbCl3
             
         [ Ar Sb = 122, F = 19, C=...


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I'm a lecturer in Kolej Mara Seremban

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I'm a lecturer in Kolej Mara Seremban

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