A short and good note for SPM Sejarah preparation use.Full description
Puterikalimah Ahk @ facebook.com/puterikalimahahk Puterikalimah @ twitter.com Puterikalimah Ahk @ hayatunalillahi.blogspot.com 20 Disember 2012M / 6 Safar 1434H 11900 PULAU PINANG r93sya…Full description
bm
paper 3Full description
question of preparation of salt SPM form 5
Chemistry SPM
chemistry: learn IT!! FOR THE Asss!Full description
It's free!Full description
nota tambahan
Nota seminar ekonomi SPM 2016 merangkumi teknik menjawab. graf penting ekonomi, rumus penting ekonomi SPM, soalan KBAT, soalan-soalan topikal ekonomi SPM Tingkatan empat merangkumi pengenala…Full description
spm englishFull description
kimia
Chemistry Definition Form 5 *Please do not cancel or change the name and watermark. Credits: Yvonne Choo http://dashortsquare.blogspot.com/
BAB 1 – KEMUNCULAN DAN PERKEMBANGAN NASIONALISME DI ASIA TENGGARA Definisi Imperialisme Dasar sesebuah negarameluaskan pengaruh dan wilayahnya dengan menjajah negara lain untuk kepentingan tert...
nota ringkas untuk beberapa tajuk sahaja merangkumi f4 dan f5.. ada 15 tajuk..
nota ringkasFull description
khusus untuk pelajar tingkatan 4 dan 5Full description
warna2 metal Cu - brown Cu0 - black Zn0 - when hot : yellow , when cold : white Mg0 - when hot : brown , when cold : yellow Pb0 - when hot : brown , when cold : yellow Fe2+ ~ pale green Fe3+ ~ brown / pale yellow
* all metal shiny grey but/ except Cu !!! ________________________________________________________ WAJIB TAU ! CATION
FAIZOL - F- (FLUORINE) SOLEH - S04 2- (SULPHURIDE) NOK - N03 - (NITROGEN) CARI - Cl- (CLORINE) BINI - BR- (BROMINE) ISTERI - I- (I0DINE) ORG - 0H- (HYDROXIDE) ------------------------------------------------------------------------------------------------BAB 7 - ACID N BASES FORM 4
ACID
WEAK ACID - CH3COOH which ionises partially to form lower concentration of H+ STRONG ACID - H2SO4 , HCl , HNO3 which ionises completely to form higher concentration of H+
ACIDIC PROPERTIES
~ PH <>~ BLUE LITMUS PAPER TURNS RED ACID + BASE ------> SALT + H20 ACID + METAL ----------> ----------> SALT + H20 ACID + CARBONATE ------------> SALT + H20 + C02
-----------------------------------
ALKALI
WEAK ALKALI - NH4+ which ionises partially to form lower concentration of 0HSTRONG ALKALI - KOH , NaOH which ionises completely to form higher concentration of OH -
ALKALINE PROPERTIES
~ PH > 7 ~ RED LITMUS TURNS BLUE
ALKALI + ACID ------------> SALT + H2O ALKALI + METAL ION -----------------> -----------------> METAL HYDROXIDE ALKALI + AMMONIUM SALT --------------> SALT + H20 + NH3 Posted by lya at 10:46 AM
