2010 Spm Exams Tips(Physics Chemistry Biology BM)

  2010 SPM Exams Tips - Chemistry  Paper 2Section A:Question 1: Form 4 (Chapter 9)Contact process and Haber process (equation and condition)Question 2: Form 4 (Chapter 6)Compare electrolytic cell and voltaic cellQuestion 3: Form 4 (Chapter 7)Prepare standard solution and dilution experiment and calculationTitration experiment and calculationQuestion 4: Form 5 (Chapter 2)Chemical reaction from alkene to ester (equation and condition)Question 5: Form 5 (Chapter 3)U-tube (flow of electron, terminal of electrodes, function of H2SO4, observations and equations)(Oxidising agent: KMnO4, K2Cr2O7, Br2, Cl2)(Reducing agent: FeSO4, KI)Question 6: Form 5 (Chapter 25)Latex (Structure of monomer and polymer and explain its elasticity and vulcanisation)Explain how latex coagulate when exposed to air and how to prevent the coagulation   Soap (preparation equation, cleansing process and effectiveness in hard water and soft water)Section B:Question 7-Essay: Form 4 (Chapter 45)Compare Group 1 and Group 17 elementsPhysical properties of Group 17 or reactivity of Group 17 elements towards IronCompare physical properties of ionic compounds and covalent compounds(Electrical conductivity  experiment)Question 8-Essay: Form 5 (Chapter 1)Explain the factors that affect the rate of reaction(size, temp concentration, catalyst) by using collisiontheorySketch energy level diagram, equations and calculationsSection C:Question 9-Essay: Form 4 (Chapter 8)Heating of carbonate saltExperiment: Prepare soluble salt / insoluble saltQuestion 10-Essay: Form 5 (Chapter 3)Compare and explain exothermic reaction and endothermic reaction  Experiment: Heat of neutralisation between weak acid and strong alkaliPaper 3Section A:Question 1: Form 5 (Chapter 4)Group 1 metal with oxygen (Observations, variables, hypothesis)Question 2: Form 5 (Chapter 2)Heat of combustion of different types of alcohols(Electronic balance and thermometer readings)(Calculation and draw graph)Section B: (Practical)1 Form 4 (Chapter 6)To investigate the types of electrode/anode affect the choice of ions to be discharged2 Form 5 (Chapter 1)Rate of reaction(size, temperature or catalyst)3 Form 5 (Chapter 3)