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Documents Sec 4 Chem Prelim Paper 1

Name ___________________________ ( ) Class ______________ PRELIMINARY EXAMINATION GENERAL CERTIFICATE OF EDUCATION ORDINARY LEVEL Paper 1 Multiple Choice Additional Materials:…

Documents Acids, Bases and Salts

4 ACID, BASES AND SALTS Question-Answers. Q. 1. What do you understand by the term acid? Support your answer by giving one example, along with an equation for: (i) monobasic…

Documents HKDSE Chem FX Mock Exam Paper 1 2012 Set 1 Eng

Set 1 HONG KONG DIPLOMA OF SECONDARY EDUCATION EXAMINATION CHEMISTRY PAPER 1 (MOCK EXAMINATION) Time allowed: 2 hours 30 minutes This paper must be answered in English. GENERAL…

Documents chemistry form 4: chapter 9 (manufacture substances in industry)

1 Understand the manufacture of sulphuric acid. Synthesise the manufacture of ammonia and its salts. Understand alloys. Evaluate the uses of synthetic polymer. Apply the…

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1. SCIENCE FORM 2WATER & SOLUTIONBy:Nur Hidayah TaibSMK Lembah Bidong‘12Facts: 2/3 of earth’s surface iscovered with water. 2. Physical characteristics of waterPURE…

Education Chemical Reactions Notes

1. Indicators of chemical reactions Formation of a gas Emission of light or heat Formation of a precipitate Color change Emission of odor 2. All chemical reactions: have…

Documents Corrosion

Corrosion Ash tray Steel roof Hydrogen evolution Brass plate White rust on seaside road railing Zn + H2O +O2 p Zn(OH)2 Zn(OH)2 p ZnO + H2O zinc is exposed to water or moist…

Documents 7 Acids and Bases

WAJA F4 Chemistry 2009 Chapter 7: Acids and Bases CHAPTER 7: ACIDS AND BASES A ACIDS AND BASES Learning Outcomes You should be able to: • State the meaning of acid, base…

Education Chemical characteristics of sewage and their testing

1. CHARACTERISTICS OF SEWAGE AND THEIR TESTINGSUBMITTED BY: NAINA GUPTA 2. The Chemical Characteristics of sewage helps in indicating: the stage of sewage decomposition,…

Documents Tier 4 Emissions

Emission System NiteNite-Hawk Raptor - Isuzu NPR Diesel Why Complex Emission Systems? May 2004, EPA signed new rules regulating diesel emission standards - to be phased-in…