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NAME: _________________________ TEACHER:
_________________________
ADELAIDE HIGH SCHOOL
YEAR 12 CHEMISTRY
MID-YEAR EXAMINATION: 2002
MONDAY 17/6/2002 1.00 pm-3.10pm
INSTRUCTIONS TO CANDIDATES
CHEC THAT YOU HA!E 22 "AGES AND THAT THEY ARE COLLATED
CORRECTLY
1. Y#$ %&'( 10 m)*$+(, +# (& +%( p&p(. I* +%&+
+)*( #$ m& m&( *#+(, #* +%( ,))*4 p&p(p#')(. Y#$ m$,+
*#+ 5)+( )* #$ $(,+)#* ##(+ $*+) )*,+$+( +# # ,#.
2. Y#$ 5) ( (p(+( +# (+&+ +%( (&+)'( &+#m) m&,,
8#m +%( p()#) +&( ,$pp)(.
3. A*,5( ALL p&+, #8 ALL $(,+)#*, )* +%( ,p&(, p#')( )*
+%( ##(+.
9. T%(( ), *# *(( +# 8) & +%( ,p&(, p#')( (&;
5(-(p(,,( &*,5(, &( ($)(.
E+& ,p&( %&, ((* ( 8# +%#,( 5%# ($)( )+.
3 36
9 33
T#+& 130
"ERCENTAGE: _______________ GRADE: _____________________
1
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?@ 3.B0 4 #8 ,#)$m *&+(; N&2CO35&, ),,#'( )* &
'#$m(+) 8&, +# m&( & +#+&
'#$m( #8 200.0 mL.
?)@ C&$&+( +%( #*(*+&+)#* #8 +%( ,#)$m *&+(
)*:
?1@ 4 L-1
?2 m&,@
?2@ pp
?1 m&@
?3@ F5/'
?1 m&@
?))@ S#m( ,#) ,#)$m *&+( 5&, $,( +# *($+&),( 23.>
mL #8 & 0.197 m# L -1 )$+(
%#%#) &) )*4 +# +%( 8##5)*4 &&*( %(m)&
($&+)#*.
N&2CO3 2HC CO2 H2O 2N&C
?1@ C&$&+( +%( m&,, #8 ,#)$m *&+( +%&+
5&, $,(.
?9 m&,@
?2@ I* &*#+%( (p()m(*+ & ,+$(*+ %& 100.0 mL #8 &
0.2
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?@ A* A+#m) A,#p+)#* Sp(+#m(+( ?AAS@ 5&, $,( +# (+(m)*( +%(
&m#$*+ #8 )#* #,+
p(&, )* +%( ##)*4 p#(,,. U,)*4 & ,$)+&( m(&*, #8
(+&+)#*; +%( )#* 5&, 8),+ (+&+(
8#m & 0
S#$+)#* 2 2.< 0.200
S#$+)#* 3 3.< 0.27
