SPM Tahun 2014 Lembaga Peperiksaan, KPM, Putrajaya. Kimia Kertas 2 dan 3 (Chemistry paper 2& 3 Actual SPM Questions, year 2014. Board of Examination, Ministry of Education Malaysia)
Questions at a Glance.
Paper 2 Q1a. Diagram 1 shows a pot and a rain coat. The pot is made from stainless steel. Chromium is one of the elements in stainless steel. State two other elements in stainless steel. State the difference in hardness between stainless steel and its pure metal. 1b. The cover of the pot is made of glass. State the main component of glass and suggest the type of glass that is most suitable to make the cover. 1c. The rain coat is made from a synthetic polymer, polyvinyl chloride. State the name of the monomer for polyvinyl chloride. Draw the structural formula for the monomer. State one reason why polyvinyl chloride should not be disposed by open burning?
Paper 3 Q2. Diagram 2 shows the structural formulae of Hydrocarbon X and Hydrocarbon Y. Both hydrocarbons have different chemical properties. By using bromine water as reagent, plan a laboratory experiment to differentiate both hydrocarbons. Your planning should include the following aspects: Problem statement, all the variables, statement of the hypothesis, list of materials and apparatus, procedure for the experiment and tabulation of data.