Chemistry SPM Paper 3 Question Analysis From 2003

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Transcript of Chemistry SPM Paper 3 Question Analysis From 2003

Chemistry SPM Paper 3 Question Analysis from 2003 – 2009

Year Structure Question Planning an Experiment2009 1 Effect of type of electrode on

the electrolysis of aqueous solution 2 Rate of reaction

1 Relationship between concentration of nitric acid & pH value

2008 1 Effect of ethanoic acid and ammonia solution on the coaagulation of latex

1 Reactivity of lithium, sodium and potassium with water

2007 1 Exothermic & endothermic reaction

1 Construct electrochemical series to determine factor that influence the difference in voltage

2006 1 Heat of neutralization 1 Compare iron & steel from the aspect of hardness/resistant to corrosion

2005 1 Freezing point of naphthalene 2 Electrochemical series based on potential difference

1 Effect of alloying on the hardness of metal 2 How concentration affect the rate of reaction of acid with metal

2004 1 Empirical formula of magnesium oxide 2 Reactivity series of metals

1 Prepare esters from two different alcohol

2003 1 Effect of temperature on the rate of reaction 2 Construct ionic equations through continuous variation method

1 Compare the elasticity of vulcanized rubber & unvulcanized rubber

Common Chemicals

Common salt - sodium chlorideTable Sugar - sucroseVinegar - ethanoic acidVitamin C - ascorbic acidBaking soda - sodium bicarbonateDry ice - solid carbon dioxideAluminium foil - aluminiumCopper wire - copperClean sand - silicon dioxideDiamond - carbon crystal