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Showing category "Chemistry Subject" (Show all posts)

Kontrak Matapelajaran Kimia Tamat

Posted by pahaikan on Saturday, December 3, 2011, In : Chemistry Subject 

Kertas Kimia 4541/2 SPM 2011 memberikan sedikit harapan untuk mengekalkan keputusan lulus 100%...

Akhirnya... Kontrak Matapelajaran Kimia di SM Teknik Tawau tamat pada tahun ini dengan berlabuhnya tirai Kertas Kimia pada jam 3:30 petang, 29 November 2011. Tamatnya kursus teknikal di SM Teknik Tawau juga akan menyaksikan penukaran nama SM Teknik Tawau kepada SM Vokasional Tawau bermula Januari 2012.

Apa pun perasaan yang dirasai - kecewa, geram, sedih dan gembira selama ini hanya akan tinggal ke...
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Akhirnya Kertas Kimia SPM 2010 selesai...

Posted by pahaikan on Monday, December 6, 2010, In : Chemistry Subject 


Kertas Kimia 4541/1, 4541/2 dan 4541/3 yang penuh mendebarkan jiwa...

Akhirnya, saya menutup tirai akademik 2010 dengan berakhirnya kertas Kimia SPM 2010 pada 3:30 petang tadi... Diharap agar semua usaha yang ditumpukan khas kepada persediaan pelajar teutamanya pada 3 kelas malam terakhir akan membuahkan hasil..

Untuk Kimia SPM 2010, saya telah pun membuat satu set Tips Soalan Spot yang bakal keluar dan syukur kepada Tuhan... Semuanya keluar seperti yang diharapkan kecuali tiga tajuk iaitu Rust...
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Download Soalan Trial Kimia SPM Negeri 2010

Posted by pahaikan on Thursday, September 23, 2010, In : Chemistry Subject 

Latihan yang lebih akan menjadikan kita lebih baik!!! Oleh itu, Pahaikan.com telah mengumpulkan kesemua soalan TRIAL SPM Kimia 2010 yang berlegar-legar di internet untuk memudahkan pelajar mendapatkan semua file tersebut.

Anda bolehlah mendownload soalan-soalan tersebut melalui laman download Laman Kimia SPM Pahaikan.com: http://www.pahaikan.com/download.php

Senarai soalan TRIAL SPM 2010 dalam koleksi Pahaikan.com ialah:

SBP (Download)
Terengganu (Download)

Kedah (Download)* atau (pdf)
Perlis (Dow...

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Mesyuarat "ZOOM IN" Kimia Tawau - 22/09/2010

Posted by pahaikan on Thursday, September 23, 2010, In : Chemistry Subject 


Mesyuarat dipengerusikan oleh penyelaras, Puan Juriah Hj Salleh.

Mesyuarat "ZOOM IN" bagi subjek Kimia telah dilaksanakan pada 22 September yang lalu bertempat di Bilik Mesyuarat PPD Tawau pada jam 2:00 petang. Mesyuarat yang berlangsung selama 2 jam ini memfokuskan kepada peningkatan pencapaian subjek Kimia secara keseluruhan untuk Daerah Tawau.

Nantikan hasil perbincangan ZOOM IN melalui Modul ZOOM IN Ting 4 & Ting 5 yang akan dihasilkan daripada mesyuarat ini dalam bulan Oktober nanti...


Anta...

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Persediaan Kimia SPM 2010

Posted by pahaikan on Sunday, August 29, 2010, In : Chemistry Subject 



Sudahkah anda bersedia untuk mendapatkan skor terbaik dalam Kimia SPM 2010?

Sila dapatkan maklumat serta perbincangan mengenai Kimia SPM dari Laman Kimia SPM Pahaikan.com. Semuanya free!!!

Sila klik link di atas!!!

Jangan lupa download soalan format SPM dan Trial SPM di sini: http://www.pahaikan.com/download.php

CATATAN: Nantikan Tips Kimia SPM 2010!!!


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Pemenang Kuiz Kimia Online Siri 3a - 28/07/2010

Posted by pahaikan on Sunday, August 8, 2010, In : Chemistry Subject 


Encik Ismail menyampaikan hadiah berupa jersi kepada Pemenang Kuiz Kimia Online Pahaikan.com Siri 3, Adik Nizam Laupa

Kuiz Kimia Pahaikan.com Siri 3 telah pun dimenangi oleh Adik Nizam Laupa dari Kelas 5 RC, SMK Kuhara. Hadiah telah disampaikan sendiri oleh penaja, Encik Ismail Awang di Kedai AG Sports.com lebih kurang jam 5:30 petang pada 28/07/2010 yang lepas.

Hadiah berupa jersi pilihan sendiri ini adalah tajaan AG Sports.com yang turut prihatin dengan pencapaian matapelajaran Kimia dalam Da...
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12 Pelajar 5 PKM Makan Besar!!! - 16/07/2010

Posted by pahaikan on Sunday, August 8, 2010, In : Chemistry Subject 


Restoran JR Liza Taman Uni Villa...

Beginilah kalau sudah janji sebelum exam... Terpaksalah ditunaikan... Apa lagi budak-budak 5 PKM... Jumlah pelajar dalam kelas 25 orang... Jumlah lulus 12 orang...

Mula-mula janji di Restoran Dayana.. Tapi tukar pula.. Apa pun tahniah kepada semua yang lulus... Bukan selalu cikgu belanja korang makan... Sekali sekala jak..


Tengoklah diaorang makan dengan berselera sekali...

Sepatutnya lepas program makan ni, diaorang ada kelas teori dengan Cikgu Anif Hamzah......
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Kuiz Kimia Kebangsaan Malaysia 2010 - 15 Julai 2010

Posted by pahaikan on Saturday, July 17, 2010, In : Chemistry Subject 


Kuiz Kimia Kebangsaan Malaysia atau K3M telah berjalan dengan baik pada 15 Julai 2010 yang menyaksikan 15 orang pelajar Tingkatan 5 bertungkus lumus menjawab 40 soalan objektif peringkat asas.

Pertandingan yang bermula serentak pada jam 10.00 pagi di seluruh negara ini bakal menganugerahkan setiap pelajar yang menyertainya dengan sijil K3M peringkat kebangsaan. Pertandingan ini berakhir pada jam 11:20 pagi...


Apabila ditanya tentang soalan kuiz tersebut, mereka hanya mampu tersenyum dan mengel...
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Taklimat Skema Pemarkahan Kimia SPM di SMK Tawau - 08/05/2010

Posted by pahaikan on Saturday, May 8, 2010, In : Chemistry Subject 


Terima kasih kepada Cikgu Ashmir yang sudi datang ke Daerah Tawau bagi memberikan taklimat...

Taklimat Skema Pemarkahan Kimia SPM Peringkat Daerah Tawau 2010 ini telah selamat dilaksanakan di Bilik Gerakan, SMK Tawau. Taklimat yang dianjurkan bersama SMK Tawau dan Pejabat Pelajaran Daerah Tawau ini telah berlangsung selama 5 jam bermula jam 8:00 pagi sehingga kira-kira 1:00 petang.

Penceramah yang terlibat ialah Cikgu Ashmir Abdul Raus yang berasal dari Negeri Selangor tetapi telah berkhidmat s...
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Structure Of Atom: Determination Of Melting And Freezing Points Of Acetamide

Posted by pahaikan on Thursday, April 1, 2010, In : Chemistry Subject 


The students of 4 PTM doing the experiment

Acetamide (IUPAC: ethanamide) is an organic compound with the formula CH3CONH2. It is the simplest amide derived from acetic acid. It finds some use as a plasticizer and as an industrial solvent. The related compound N,N-dimethylacetamide (DMA) is more widely used, but it is not prepared from acetamide. [Source: Wikipedia]

Acetamide is a white crystalline solid with melting point in the range of 78 - 80 oC and boiling point at 221 oC. It is soluble in ...
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Rate Of Reaction: The Effect Of Concentration On The Rate Of Reaction

Posted by pahaikan on Thursday, April 1, 2010, In : Chemistry Subject 


The reaction produce a yellow precipitate that covers the "PK2" mark under the conical flask. The time taken varies depends on the concentration of sodium thiosulphate solution used.

The rate of reaction is directly related to the concentration of the reactants. The higher the concentration of the reactants, the faster the reaction.

For example, Sulphur, S precipitated faster when more concentrated solution of sodium thiosulphate(VI) reacts with sulphuric acid.

The higher the number of molecules...
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Pemenang Siri 1 Kuiz Kimia Online Pahaikan.com...

Posted by pahaikan on Wednesday, March 10, 2010, In : Chemistry Subject 


Tahniah kepada pemenang Siri 1 Kuiz Kimia Online Pahaikan.com iaitu Adik Nor Shakila Binti Abdul Jalil dari kelas 5 PKA2. Yang dibelakang tu jangan tengok-tengok saja... Join sekali Kuiz Kimia Onlie Pahaikan.com. Klik Tab Panitia Kimia atau logo Kuiz Kimia Online Pahaikan.com dibawah chat box Pahaikan.com untuk maklumat lanjut.....

CATATAN: Siri 2a Kuiz Kimia Online Pahaikan.com masih belum ditutup...


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Kuiz Kimia Online Pahaikan.com!!!

Posted by pahaikan on Wednesday, February 17, 2010, In : Chemistry Subject 


Sedar tak sedar sudah 300 entry dimasukkan kedalam Blog Pahaikan.com... Termasuk yang ini.. 301. Untuk meraikan kejayaan peribadi ini... Hehehe... Saya dengan sukacita menganjurkan satu peraduan iaitu Kuiz Kimia Online Pahaikan.com khas untuk para pelajar SM Teknik Tawau.

Kuiz Kimia ini akan menumpukan kepada matapelajaran Kimia sahaja khasnya untuk silibus KBSM. Mungkin sekali sekala soalan diluar topik akan ditanya tetapi tidaklah banyak.. mungkin dalam 5% sahaja.

Peraduan ini adalah percum...
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The Effect Of Total Surface Area On The Rate Of Reaction

Posted by pahaikan on Tuesday, February 9, 2010, In : Chemistry Subject 



The speed at which chemical reactions proceed, is known as the rate of reaction. Different reactions proceed at different speeds. While some reactions are extremely slow, there are other reactions which take place in a matter of few seconds.

There are several factors which affect the rate of chemical reactions:
  • concentration of the reactants
  • temperature
  • total surface area of solid reactants
  • presence of catalysts
  • pressure, if the reactants are gases
Here, we will be discussing the total surface ...
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Insoluble Salt: Lead(II) iodide, Barium sulphate and Copper(II) carbonate

Posted by pahaikan on Saturday, January 30, 2010, In : Chemistry Subject 


From left: Lead(II) iodide (Yellow), Barium sulphate (White) and Copper(II) carbonate (Green)

Insoluble salts are salts that does not dissolve in water at room temperature. Insoluble salts are prepared by the precipitation method through a double decomposition reactions.

In this reaction, the precipitate of insoluble salt is formed when two different solutions that contains the cation and anion of the insoluble salt are mixed. The insoluble salt is obtained as a residue of a filtration.

Read th...
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Soluble Salt: Copper(II) sulphate Crystals

Posted by pahaikan on Saturday, January 30, 2010, In : Chemistry Subject 


Copper(II) sulphate crystals produced in Teknik Tawau Chemistry Lab

Copper(II) sulphate salt can be produced by reacting sulphuric acid with copper(II) oxide. The reaction is represented by the following equation:

H2SO4  +  CuO  -->  CuSO4  +  H2O

You may read the preparation steps on this link: Amali Kimia: Preparation of Copper(II) sulphate salt

REMARKS: Nice crystals...


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Acid & Base: Neutralisation Reaction Using Titration Method

Posted by pahaikan on Tuesday, January 19, 2010, In : Chemistry Subject 


Titration method between an acid and an alkali using phenolpthalein as the indicator.

Neutralisation is the reaction between an acid and a base to form salt and water:

Acid  +  Base  --->  Salt  +  Water

Or in other words, the hydrogen ions, H+ in the acid react with the hydroxide ions, OH- in the alkali to form water:

H+  +  OH-  --->  H2O

Acid-Base Titration method used to determine the volume of an acid required to neutralise a fixed volume of an alkali with the help of acid-base indicator. The...

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Analisis Tip Kimia 2009 - Pahaikan.com

Posted by pahaikan on Wednesday, December 9, 2009, In : Chemistry Subject 


Kertas Kimia SPM 2009 telah selamat dijawab dengan bergaya oleh semua calon kertas Kimia SPM Teknik Tawau seramai 196 orang. Yang dinanti kini hanyalah keputusan yang bakal keluar beberapa bulan lagi. Segala usaha dan tenaga yang telah dikerah selama ini akan diterjemahkan kepada suatu angka iaitu gred purata.

Apapun keputusannya... Kita telah pun berusaha dan walaupun keputusannya tidak memuaskan namun ia pasti akan meninggalkan suatu kenangan lagi dalam lembaran hidup setiap orang yang tela...
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How To Produce Higher Voltage From A Series of Voltaic Cell?

Posted by pahaikan on Tuesday, October 6, 2009, In : Chemistry Subject 



Chemistry is very wonderful subject to explore. You can even produce electric current with two pairs of different metal (we will refer these metals as electrodes) with a solution (electrolyte). Of course you will need a pair of black and white wire and a voltmeter to detect the current.

Here's how its done...

Prepare a salt solution containing one of the metal ions. Then immerse both metals into the solution. Make sure the metals do not make contact with each other. Then connect one of the wire...
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Download Chemistry SPM Trial Papers 2009!!

Posted by pahaikan on Tuesday, October 6, 2009, In : Chemistry Subject 

Usually, PRACTICE MAKES PERFECT... Well, Pahaikan.com worked hard to collect all the 2009 trial papers from the net just to make sure that everybody got these papers.

You may have downloaded these questions but you may probably miss one or two. These are the list of questions in Pahaikan.com collection for 2009.

SBP
Terengganu
Kelantan
Kedah
Perlis
Melaka
Johor
Pahang

The the sets of question from Sabah contains few error so I don't pick them into the collections. Sorry la... JPN Sabah... tapi memang ...
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Electrolysis Of Copper(II) sulphate solution using copper electrode

Posted by pahaikan on Wednesday, August 26, 2009, In : Chemistry Subject 


Picture details: (Pic 1 - Background) Picture showing how the electrolysis is done. (Pic 2 - Top Right) The result at cathode and anode. (Pic 3 - Bottom Left) The copper electrode at cathode before and after. (Pic 4 - Bottom Right) The copper electrode at anode before and after.

Electrolysis of copper(II) sulphate solution using copper electrodes gives a different result compared to carbon electrodes. Here, I attached a well-combined picture of the experiment and some details on what happened...
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Seminar Teknik Menjawab Kimia SPM 2009

Posted by pahaikan on Tuesday, July 21, 2009, In : Chemistry Subject 

Seminar Teknik Menjawab Kimia 2009 was successfully conducted yesterday. As the Chemistry Head Panel of SM Teknik Tawau, I would like to say thanks to Miss Heatinorayu for a very good three hours session.







And also the students, who have been very focus, steady and cooperative.









    



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Kuiz Kimia Kebangsaan Malaysia (K3M) 2009: The Day!!

Posted by pahaikan on Thursday, July 16, 2009, In : Chemistry Subject 


Powerpoint backdrop for the quiz... Original maa..

The quiz went very well with the help from Ms Heatinorayu and Ms Ana Sarda to monitor the students. After displaying the quiz powerpoint backdrop and distribute the question papers, I went to the Amazing Egg Drop Zone to finish what I have started.


Ms Heatinorayu breifing the students on how to fill in the OMR answer sheets.


Ms Ana Sarda checking on the school details

The quiz ends at 11.20 a.m and all the students seems very happy. Hehehe... Mo...
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Kuiz Kimia Kebangsaan Malaysia 2009

Posted by pahaikan on Friday, May 22, 2009, In : Chemistry Subject 



Kuiz Kimia Kebangsaan Malaysia or written in a chemical formula as K3M, is an annual quiz organized by Institut Kimia Malaysia with the cooperation of the Malaysian Ministry of Education. Read more here: K3M !!


Teknik Tawau have been participating in this quiz since 2006, but sad to say that we have never reach the highest level in the competition.


28 teknik tawau's students will be participating in this year quiz. The list of candidates can be refered here: Forum Panitia Kimia. There are 19 fo...

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Chemistry Experiments!!

Posted by pahaikan on Friday, May 8, 2009, In : Chemistry Subject 

This week I conducted few experiments for the students. For form five, the experiments were the preparations of ethanol using fermentation method and the distillation of ethanol. I did two demos for them as if they do it on their own it would take double the time I did. The experiments demo were the conversion of ethanol to ethanoic acid and the preparations of ethyl butanoate using reflux method.

 
Distillation method                    Reflux method

For form four, I did the Determination of t...

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A Strong Wind Of Change Really Needed!!

Posted by pahaikan on Wednesday, April 22, 2009, In : Chemistry Subject 
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