CATHOLIC HIGH SCHOOL - ASKnLearn

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5 The diagrams below represent the arrangement of particles. Which onerepresents a sugar solution?6 Two particles C and D have the composition shown in the table.particlenumber ofelectronsnumber ofneutronsnumber ofprotonsC 18 16 15D 18 16 16The particles C and D areABCDisotopes.metal atoms.positive ions.negative ions.Catholic High School Preliminary Examination III Paper 1
7 The table gives information about the ability of four substances to conductelectricity.SubstancePQRSConduction of electricitydoes not conduct under any conditionsconducts only in aqueous solutionconducts when molten and when solidconducts when molten and when in aqueoussolutionWhat could be the four substances be?P Q R SA Pb HCl NaCl SB S HCl NaCl PbC S HCl Pb NaClD S NaCl HCl Pb8 The atoms of two elements P and Q have the structures shown below.Pee3p4neQeeee8p8neeeeWhen these two elements combined to form a compound, what is the massnumber of one mole of this compound?A 11B 12C 23D 30Catholic High School Preliminary Examination III Paper 1
Page 1 and 2: CATHOLIC HIGH SCHOOL2009 PRELIMINAR
Page 3: 3 It was suspected that an illegal
Page 7 and 8: 13 Which of the following oxides ca
Page 9 and 10: 21 Which statement about the extrac
Page 11 and 12: 29 A piece of litmus paper was soak
Page 13 and 14: 34 An unsaturated acid has a formul
Page 15 and 16: 40 CH 3 H CH 3 H CH 3C C C C CCH 3
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CATHOLIC HIGH SCHOOL - ASKnLearn

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