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Senin, 12 September 2011

LESSON PLAN


LESSON PLAN


School                         : Senior High School
Subject                                    : Chemistry
Class/Semester            : XII/I
Main Material              : Equalization Method of Equation Redox Reaction
Meeting                       : I
Method                       : lecture and discussion
Time Allocation          : 2 x 45 minutes


I. COMPETENCES STANDARD
Understanding basic concept of equalization of equation redox reaction.
II. BASIC COMPETENCES                     
Students able to equalization of equation redox reaction
III. Topics
1.      Redox reaction (reduction-oxidation) is electron transfer reaction
2.      An atom that accept electron is called reduction
3.      An atom that release electron is called oxidation
4.      The method to balancing the redox reaction equation is 2 kinds, those are:
·         Oxidation state           : amount of electron that release by redactor same with
the amount of electron that accept by oxidator
·         Ion electron                 : redox reaction is separated become a half reduction
reaction and a half oxidation reaction

IV. INDICATORS                           
1.      Student can explain the meaning of redox reaction
2.      Student can explain the meaning of reduction
3.      Studrnt can explain the meaning of oxidation
4.      Student can explain the equalization method of equation redox reaction
5.      Student can equalization of equation redox reaction

V. Step of Learning Activity:
Meeting
Activity
Time
Method, Media, and Source
I
1.      Introducing
Motivation :Why the iron have corrosion?
Prerequisite : student have acknowledge about reaction
10 minutes
Method : lecture and discussion

Media : Chemistry Book Class XII

Appraisal : Quiz, Cognitive

2.      Core activities :
·         Discussion information of redox reaction
·         Discussion information of equalization method of equation redox reaction
·         Exercises of equalization of equation redox reaction


3.      Ending
·         Competency test
·         Task


                                                                                                Medan, September 13th 2011
Acknowing                                                                             Teacher
Headmaster

(                                   )                                                           (Masitho Purnama Sari)

Jumat, 09 September 2011

SOAL KOLOID


1.       Bentuk campuran yang keadaanya antara larutan dan suspensi adalah…
a.       Koloid
b.      Larutan
c.       Dolomit
d.      Campuran

2.       Salah satu perbedaan antara koloid dan larutan adalah…
a.       Larutan bersifat homogen sedangkan koloid bersifat homogen
b.      Larutan satu fase sedangkan koloid 2 fase
c.       Larutan 2 fase sedangkan koloid 1 fase
d.      Larutan dapat disaring sedangkan koloid tidak dapat disaring

3.       Koloid yang fase terdispersinya padat dan fase pendispersinya cair disebut…
a.       Emulsi
b.      Aerosol
c.       C. sol
d.      Sol padat

4.       Di bawah ini merupakan contoh efek tyndal, kecuali…
a.       Sorot lampu mobil pada malam yang berkabut
b.      Sorot lampu proyektor dalam gedung bioskop yang berasap dan berdebu
c.       Pensil yang bengkok sewaktu di masukkan kedalam air
d.      Berkas sinar matahari melalui celah pohon pada pagi hari yang berkabut.

5.       1.susu                                                   3. Minyak ikan
2. santan                                              4. Asap

Dari contoh di atas yang termasuk aerosol adalah…
a.       1 & 2                                              c. 1 & 3
b.      2 & 4                                              d. 4

6.       Yang di maksud dengan elektroforesis adalah..
a.       Pengertian partikel koloid dalam medan listrik
b.      Kemampuan koloid menyerap berbagai macam zat pada permukaannya
c.       Penggumpalan system koloid
d.      Gerakan zigzag ( patah ) secara terus menerus

7.       Suatu koloid yang dapat memisahkan koloid dengan koloid atau koloid dengan larutan disebut..
a.       Dialysis                                         c. liofob
b.      Liofil                                               d. kolooid pelindung


8.       Apa yang dimaksud dengan liofil..
a.       Gaya yang tarik menariknya sangat lemah
b.      Gaya yang tarik menariknya sama besar
c.       Gaya tarik menariknya besar sedangkan zat terdispersi dengan medium
d.      Gaya yang tarik menariknya seimbang antara zat terdispersinya dengan mediumnya


9.       Efek penghamburan cahaya disebut…
a.       Efek tyndal
b.      Fase terdispersi
c.       Colloid
d.      Efek fotolisis

10.   Cara menghilangkan muatan listrik pada koloid, kecuali…
a.       Prinsip elektroforesis
b.      Penambahan koloid dengan koloid yang bermuatan berlawanan
c.       Penambahan elektrolit
d.      Proses dialisis

ESSAY

1.       Apa yang dimaksud dengan hidrolisis?
2.       Jelaskan 2 cara pembuatan koloid sol padat




















1.       Form of mixture which is condition between solution and suspension…
a.       Colloid
b.      Solution
c.       Dolomite
d.      Mixture

Answer                : A
Type      : C1 because this question only used memorize (just knowing)

2.       The difference of colloid and solution are…
a.       The solution is heterogen while colloid is homogeny
b.      The solution is 1 phase while colloid is 2 phase
c.       The solution is 2 phase while colloid is 1 phase
d.      The solution can filtered while colloid can’t

Answer                : B
Type      : C2 because it is need understanding (comprehending) to answer the question

3.       Colloid that dispersed phase is solid and dispersion medium is liquid called…
a.       Emultion
b.      Aeorosol
c.       Sol
d.      Solid sol

Answer                : A
Type      : C1 because this question only used memorize (just knowing)

4.       This statements are example of Tyndall Effect, except…
a.       Light of car’s lamp in the night
b.      Light of projector in the cinema
c.       Pencil that broken when entered into water
d.      Sun light through out the space of leaves in the morning

Answer                : C
Type      :C4 because to answer this question, we need analyze and it’s also signed with the word
except (except is sign of C4 type)



5.       1. Milk
2. milk squeezed from cococnut
3. oil of fish
4. smoke

From the examples above, that include in aeorosol is…

a.       1&2
b.      2&4
c.       1&3
d.      4

Answer                : D
Type      : C4 because to answer this question, we need analyze and it’s also signed with the word
  except (except is sign of C4 type)

6.       what is electrophoresis…
a.       a movement of colloid particle in the electric area
b.      an ability of colloid to abrorb some substance on the surface
c.       a coagulation of colloid system
d.      a zig-zag movement (broken movement) continually…

Answer                : A
Type      : C4 because to answer this question, we need analyze and it’s also signed with the word
  except (except is sign of C4 type)

7.       A colloid can separated another colloid or colloid with solution is called…
a.       Dralisis
b.      Liophyl
c.       Liophob
d.      Protected colloid

Answer                : D
Type      : C1 because this question only used memorize (just knowing)

8.       What is liophyl…
a.       a pulling force of dispersed phase and dispersion medium are so weak
b.      a pulling force of dispersed phase and dispersion medium are same
c.       a pulling force of dispersed phase and dispersion medium are so big
d.      a pulling force of dispersed phase and dispersion medium are balance


Answer                : C
Type      : C4 because to answer this question, we need analyze and it’s also signed with the word
  except (except is sign of C4 type)

9.       Dispersed effect of light is called…
a.       Tyndall effect
b.      Dispersed phase
c.       Colloid
d.      Photolysis effect

Answer                : A
Type       : C1 because this question only used memorize (just knowing)

10.   The ways that can release the electric charge in colloid are below, except…
a.       Electrophoresis principle
b.      Adding the colloid with the colloid that have contrary charge
c.       Adding of electrolit
d.      Dialysis process

Answer : D
Type      : C1 because this question only used memorize (just knowing)

ESSAY


1.       What is hydrolysis process?
Hydrolysis process is a reaction a substance with water
Type : C1
2.       Explain two ways of making solid sol
Two ways of making solid sol
·         Condensation method : a joining method of small particle of real solution that formed colloid  particles
·         Dispersion method : broken process of big particles so that become a colloid particle
Type : C1