Part 4 the Secret
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L O A D I N G
JOM KIMIA A1
PART 4
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WHAT YOU MUSTKNOW ABOUTCHEMISTRY
PAPER 3
To Score Paper 3 is To Tackle Paper 3
KAMAL ARIFFIN BIN SAAIM SMK DATO¶ BENTARA LUAR BATU PAHAT e-mel : [email protected]: http://kemhawk.webs.com/
PART 4
S KOR A1 : The S ecrets
2
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PART 4
Question 1 / 2
Element KK0501 ² KK0511
YEAR: 2008
YEAR: 2007
YEAR: 2006 YEAR: 2005
YEAR: 2004
YEAR: 2003
3C HEMISTRY PAPER 3 4541/3
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PART 4
Hypothesis
1. Not complete2. Reversal
3. No direction
S illy mistakes made by my students
TIP: Manipulated variables + responding
variables + direction4
C HEMISTRY PAPER 3 4541/3
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PART 4
Ex cellent response
Asid hidrochlorik / kuat menghasilkan (habapeneutralan) / (perubahan/kenaikan suhu) yang
lebih tinggi/rendah daripada asidetanoik/lemah.
[2006 1(c): Click to see the question]
S illy mistakes made by my students
Hypothesis
5C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 2
Inaccurate response no. 1
Score 1
Score 2 6C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 4
Inaccurate response no. 3
Score 2
Score 1 7C HEMISTRY PAPER 3 4541/3
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PART 4
Ex cellent response
The reaction between sodium hydro x ide andwater is an e x othermic/endothermic reaction.
[2007 1(b)(ii): Click to see the question]
S illy mistakes made by my students
Hypothesis
W hen NaOH dissolves/added in water, itincrease/decrease in temperature / releaseheat / absorb heat.
8C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 2
Inaccurate response no. 1
Score 1
Score 2 9C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 4
Inaccurate response no. 3
Score 2
Score 1 10C HEMISTRY PAPER 3 4541/3
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PART 4
R eading from apparatus
1. W rong decimal place
2. No / incorrect unit
3. Not from the meniscus
4. Some right and some wrong
S illy mistakes made by my students
TIP: read carefully
11C HEMISTRY PAPER 3 4541/3
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PART 4
Ex cellent response
Suhu awal campuran : 28.0 oC
Suhu tertinggi campuran : 40.0 oC
Perubahan suhu : 12.0 oC
[2006 1(a): Click to see the question]
S illy mistakes made by my students
R ecord the reading from apparatus
1 2C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 2
Inaccurate response no. 1
Score 1
Score 2 1 3C HEMISTRY PAPER 3 4541/3
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PART 4
ExampleInaccurate response no. 3
Score 1
1 4C HEMISTRY PAPER 3 4541/3
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PART 4
Ex cellent response
Ex periment I : 28.0 oC 36.0 oC
Ex periment II : 29.0 oC 25.0 oC
Ex periment III : 27.0 oC 32.0 oC
Ex periment IV : 30.0 oC 27.0 oC
[2007 1(a)(i): Click to see the question]
S illy mistakes made by my students
R ecord the reading from apparatus
1 5
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PART 4
Inaccurateresponse no. 1
Score 2 16C HEMISTRY PAPER 3 4541/3
No decimal
place
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PART 4
Inaccurateresponse no. 2
Score 1 17C HEMISTRY PAPER 3 4541/3
B elowmeniscuslevel
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PART 4
T he G raph1. No title for the a x is
2. No / incorrect unit
3. The graph line is not smooth
4. W rong shape of the graph
S illy mistakes made by my students
TIP: draw the graph completely
18C HEMISTRY PAPER 3 4541/3
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PART 4
Excellent response
[2007 1(e)(iii): Click to see the question]
S illy mistakes made by my students
T he Graph
Volume of carbon dio x ide / cm 3
Time / s
19C HEMISTRY PAPER 3 4541/3
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PART 4
Accurate response
Score 3 20C HEMISTRY PAPER 3 4541/3
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PART 4
Score 2 21C HEMISTRY PAPER 3 4541/3
Inaccurateresponse no. 1
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PART 4Inaccurateresponse no. 2
Score 1C HEMISTRY PAPER 3 4541/3
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PART 4Inaccurateresponse no. 3
Score 1C HEMISTRY PAPER 3 4541/3
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O perational D efinition
1. No idea
2. W rong interpretation
TIP: look the process/reaction what is theconcept/reason behind the observation.
S illy mistakes made by my students
PART 4
K ebolehan memberi tafsiran tentang sesuatu
konsep dengan menyatakan perkara yang dilakukan dan diperhatikan.
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PART 4
Ex cellent response
[2006 1(i)(i): Click to see the question]
S illy mistakes made by my students
O perational Definition
25C HEMISTRY PAPER 3 4541/3
Haba yang dibebaskan apabila 1 mol H + bertindakbalas dengan 1 mol OH - untuk menghasilkan mol air dihasilkan //
Haba yang dibebaskan per bilangan mol air
Haba yang dibebaskan apabila 1 mol air dihasilkan //
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PART 4
Example
Accurate response no. 2
Accurate response no. 1
Score 3
Score 3 26C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 2
Inaccurate response no. 1
Score 2
Score 1 27C HEMISTRY PAPER 3 4541/3
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PART 4
ExampleInaccurate response no. 3
Score 0
28C HEMISTRY PAPER 3 4541/3
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PART 4
Ex cellent response
[2007 1(c)(ii): Click to see the question]
S illy mistakes made by my students
O perational Definition
29C HEMISTRY PAPER 3 4541/3
The decrease in temperature shows thatendothermic reaction happens whereheat/energy is absorbed from the surroundings.
Notes : The question refers to e x periment II , manystudents missed the question, see what happens «««..
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PART 4
Example
Inaccurate response no. 2
Inaccurate response no. 1
Score 0
Score 0 30C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 4
Inaccurate response no. 3
Score 0
Score 0 31C HEMISTRY PAPER 3 4541/3
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PART 4
Ex cellent response
[2008 1(e) : Click to see the question]
S illy mistakes made by my students
O perational Definition
32C HEMISTRY PAPER 3 4541/3
L ate x becomes solid when acid/H + is added //
L ate x becomes solid when e x posed to air
N otes: Much easier this year.
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PART 4
Example Accurate response no. 1
Score 3
33C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 2
Inaccurate response no. 1
Score 2
Score 2 34C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 4
Inaccurate response no. 3
Score 2
Score 1 35C HEMISTRY PAPER 3 4541/3
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PART 4
Example
Inaccurate response no. 6
Inaccurate response no. 5
Score 1
Score 1 36C HEMISTRY PAPER 3 4541/3
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PART 4
P roblem S tatement
1. Not complete
2. W rite aim of e x periment
S illy mistakes made by my students
TIP: look the statement of the problem fromthe question, its always there.
37
To be continued««.2010
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TH E G HOST IN TH E
JAR
The secrets of success is to know something
nobody else knowsAristotle O nassis
38C HEMISTRY PAPER 3 4541/3
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PART 3
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PART 4
Thank You Thank You END
OFPA
RT4
40
KAMAL ARIFFIN BIN SAAIM SMK DATO¶ BENTARA LUAR BATU PAHAT e-mel : [email protected]: http://kemhawk.webs.com/
MAS TERING PAPER 3 : The S ECRET S