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4541/1

Peraturan Permarkahan CHEMISTRY 4541 Kertas 1 Ogos 2011

BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH DAN SEKOLAH KECEMERLANGAN KEMENTERIAN PELAJARAN MALAYSIA

PERATURAN PERMARKAHAN PEPERIKSAAN PERCUBAAN SIJIL PELAJARAN MALAYSIA 2011

CHEMISTRY TRIAL 2011 MARKING SCHEME

PAPER 1

4541 /1 © Trial2011 Hak Cipta Sekolah Berasrama Penuh

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2 SKEMA KERTAS 1 CHEMISTRY 4541/1

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

C B C D A A C A A C A B C A C D D A C B B A D B A

26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

C D D D B B A C A C C B C C D B B D C B C B D A C

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4541/2

Peraturan Permarkahan CHEMISTRY 4541 Kertas 2 Ogos 2011

BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH DAN SEKOLAH KECEMERLANGAN KEMENTERIAN PELAJARAN MALAYSIA

PERATURAN PERMARKAHAN PEPERIKSAAN PERCUBAAN SIJIL PELAJARAN MALAYSIA 2011

CHEMISTRY TRIAL 2011 MARKING SCHEME

PAPER 2

4541/2

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© Trial2011 Hak Cipta Sekolah Berasrama Penuh

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2 MARKING SCHEME FOR CHEMISTRY PAPER 2

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No. 1. (a) (i) (ii)

Answer Zinc

Mark 1 1 1 1 1 1

1. The presence of X/zinc atoms disrupts the orderly arrangements of copper atoms 2. This reduce the layers of atoms from sliding over one another easily
Steel Silicon dioxide/silica /sand Heat resistant/can withstand with high temperature

(iii) (b)(i) (ii) (c) (i)

H Cl | | C == C | | H H

1

(ii) (iii)

Polyvinyl chloride/ polychloroethene polymerization TOTAL

1 1 9

No 2(a) (b) (c)(i)

Answer Horizontal row of elements in the Periodic Table of Elements Atoms have 3 shells occupied with electron 1. Correct formulae of reactants and products 2. Balanced equation Cl2 + H2O → HCl + HOCl Sodium Chlorine Red litmus paper blue Blue litmus paper red http://cikguadura.wordpress.com Mark 1 1 1 1

(ii)

2

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