SBPK 2008

Diagram 1 shows the electron arrangement of an atom of element P.
Rajah 1 menunjukkan susunan elektron bagi atom unsur P.

What is the number of valence electrons in atom P ?
Berapakah bilangan elektron valen bagi atom P?

What are the symbols of the elements of chromium, copper , manganese and potassium?
Apakah simbol bagi unsur kromium, kuprum, mangan dan kalium?

ANSWER:

The following statement is about the arrangement of the elements in the Periodic Table of
Elements.
Pernyataan berikut adalah mengenai susunan unsur di dalam Jadual Berkala Unsur.

Elements are arranged in order of increasing atomic mass in The Periodic Table
Unsur-unsur disusun mengikut jisim atom menaik dalam Jadual Berkala

Which of the following scientists made the above statement?
Antara saintis berikut siapakah yang membuat pernyataan di atas?

Diagram 2 shows the set-up of the apparatus for electrolysis.
Diagram 2 menunjukkan susunan radas bagi elektrolisis.

Which of the following compounds could be used as substance X?
Antara berikut, yang manakah boleh digunakan sebagai bahan X?

What are the ions present in molten sodium chloride and sodium chloride aqueous
solution?
Apakah ion-ion yang wujud dalam leburan natrium klorida dan larutan akues natrium
klorida?

Which of the following solutions can show a pH value of 8?

Antara larutan berikut yang manakah boleh menunjukkan nilai pH 8?

Which of the following compounds is a soluble salt?
Antara sebatian berikut, yang manakah adalah garam terlarutkan?

Diagram 3 shows the stages involved in the Contact Process to produce sulphuric acid.
Rajah 3 menunjukkan peringkat yang terlibat dalam Proses Sentuh untuk menghasilkan
asid sulfurik.
What is the optimum temperature and the catalyst used in stage I?
Apakah suhu optimum dan mangkin yang digunakan dalam peringkat I?

Which of the following compounds is an organic compound?
Antara sebatian berikut, yang manakah sebatian organik?

Diagram 4 shows the graph of volume of carbon dioxide gas against time when 5 g of
marble chips is added to 50 cm3 of 0.2 mol dm-3 hydrochloric acid.

Rajah 4 menunjukkan graf isipadu gas karbon dioksida melawan masa apabila 5g ketulan
marmar dimasukkan ke dalam 50 cm3 asid hidroklorik 0.2 mol dm-3

At what time the rate of reaction the highest?
Pada masa manakah kadar tindak balas paling tinggi?

The following ionic equation shows a redox reaction.
Persamaan ion di bawah mewakili satu tindak balas redoks.

2Fe2+
+ Br2 → 2Fe3+
+ 2Brֿ

Which of the following is true about the reaction?
Antara pernyataan berikut, yang manakah benar berkaitan tindakbalas di atas?

Which of the following processes absorbs heat energy?
Antara proses berikut yang manakah merupakan proses serap tenaga haba?

Which of the following structural formulas is of soap?
Antara formula struktur berikut yang manakah bagi sabun?

Atom of element X has a proton number of 13. Where is X located in the Periodic Table of
Elements?
Atom unsur X mempunyai nombor proton 13. Dimanakah kedudukan X di dalam Jadual
Berkala Unsur?

Which of the following substances is made up of atoms?
Antara bahan berikut yang manakah terdiri daripada atom-atom?

Which of the following physical properties is true of copper(II) chloride?
Antara sifat fizik berikut yang manakah benar bagi kuprum(II) klorida?

Diagram 5 shows the set up of apparatus to determine the empirical formula for metal
oxide.
Rajah 5 menunjukkan susunan radas untuk menentukan formula empirik oksida logam.

Which of the following metals is most suitable to be used in the diagram?
Logam yang manakah yang paling sesuai digunakan dalam rajah itu?

Which of the following ions form a precipitate that dissolve in excess ammonia solution?
Antara ion-ion berikut, yang manakah akan menghasilkan mendakan yang larut dalam
larutan ammonia berlebihan?

I Zn2+
II Al3+
III Pb2+
IV Cu2+

Element X is a reducing agent. Which of the following electron arrangements
is for atom X ?
X adalah agen penurunan. Antara susunan elektron berikut adalah bagi atom
unsur X?

Diagram 6 shows a metal X spoon dipped in a salt solution inside metal Y container.
Rajah 6 menunjukkan sudu logam X direndamkan dalam larutan garam di dalam bekas
logam Y

If element X is more electropositive than Y, which of the following statements are true
about the diagram?
Jika unsur X lebih elektropositif daripada Y, pernyataan yang manakah betul berkaitan
tindak balas di atas?

I Metal X spoon undergoes corrosion
Sudu X logam mengalami kakisan
II Metal Y is oxidised
Logam Y teroksida
III Mass of metal X spoon decreases
Jisim sudu X logam berkurang
IV Atom of metal X spoon is ionised
Atom sudu X logam mengion

Which of the following solutions have the same number of hydrogen ions, H+
, as in 50 cm3 of 0.1 mol dm-3

sulphuric acid, H2SO4?

Antara larutan berikut, yang manakah mempunyai bilangan ion hidrogen, H+
, sama

seperti dalam 50 cm3

0.1 mol dm-3

asid sulfurik, H2SO4?

I 100 cm3

of 0.1 mol dm-3

hydrochloric acid, HCl

100 cm3
0.1 mol dm-3

asid hidroklorik, HCl

II 50 cm3

of 0.2 mol dm-3

nitric acid, HNO3

50 cm3
0.2 mol dm-3

asid nitrik, HNO3

III 100 cm3

of 0.1 mol dm-3

ethanoic acid, CH3COOH

100 cm3
0.1 mol dm-3

asid etanoik, CH3COOH

IV 50 cm3

of 0.1 mol dm-3

phosphoric acid, H3PO4

50 cm3
0.1 mol dm-3

asid fosforic, H3PO4

Diagram 7 shows molecular structure of a polymer.

Diagram 7 Rajah 7

What is the name of the monomer of the polymer in the diagram?
Apakah nama monomer bagi polimer dalam rajah tersebut?

Table 1 shows the relative atomic mass of helium, carbon, sulphur and copper
Jadual 1 menunjukkan jisim atom relatif bagi helium, karbon, sulfur dan kuprum

Table 1
Jadual 1

Which of the following statements is true?
Antara pernyataan berikut yang manakah benar?
[ Avogadro constant = 6.0 x 1023 mol-1]
[ Pemalar Avogadro = 6.0 x 1023 mol-1]

Diagram 8 shows the energy profile diagram for the following reaction:
Rajah 8 menunjukkan gambar rajah aras tenaga bagi tindak balas berikut:

What is the value of the activation energy?
Apakah nilai tenaga pengaktifan?

In the saponification process, concentrated sodium hydroxide solution is added to
boiling vegetable oils to produce X and soaps. What is X?
Dalam process saponifikasi, larutan natrium hidroksida pekat ditambahkan kepada
minyak sayuran yang didih untuk menghasilkan X dan sabun. Apakah X?

Diagram 9 shows the energy level diagram for the reaction between silver ions and
chloride ions.
Rajah 9 menunjukkan gambar rajah aras tenaga bagi tindak balas antara ion argentum
dengan ion klorida.

Which of the following statements is true about this reaction?
Yang manakah antara pernyataan berikut adalah benar mengenai tindak balas ini?

Atom of oxygen-18 has 8 electrons. How many neutrons does an atom of oxygen-18
contains?

Atom oksigen-18 mempunyai 8 elektron. Berapakah bilangan neutron bagi atom oksigen-
18?

The following elements are in Group 17 in the Periodic Table of Elements except
Unsur-unsur berikut berada dalam Kumpulan 17 dalam Jadual Berkala Unsur kecuali

The following statement is about X3+ ion.
Pernyataan berikut adalah berkaitan ion X
3+.

X
3+ ion has 14 neutrons and 10 electrons.
Ion X3+ mempunyai 14 neutron dan 10 elektron

Which of the following proton numbers and nucleon numbers shows for atom X?
Yang manakah antara berikut menunjukkan nombor proton dan nombor nukleon bagi
atom X ?

Diagram 10 shows the electron arrangement of a compound formed between element T
and element Q.
Diagram 10 menunjukkan susunan elektron bagi sebatian yang terbentuk daripada
unsur T dan unsur Q.

What group in the Periodic Table of Elements is element Q located?
Apakah kumpulan dalam Jadual Berkala Unsur kedudukan unsur Q?

Which of the following pairs of substances is most suitable to prepare copper(II) sulphate
salt?
Yang manakah antara pasangan bahan kimia berikut paling sesuai untuk menyediakan
garam kuprum(II) sulfat ?

Diagram 11 shows the set-up of apparatus of an electrolysis process.
Rajah 11 menunjukkan susunan radas bagi satu proses elektrolisis.

Which of the following electrolytes produce oxygen gas at electrode X ?
Antara ektrolit berikut, yang manakah menghasilkan gas oksigen di elektrod X ?

I 1.0 mol dm-3

hydrochloric acid
Asid hidroklorik 1.0 mol dm-3
II 1.0 mol dm-3

sulphuric acid
Asid sulfurik 1.0 mol dm-3
III 1.0 mol dm-3

potassium nitrate solution
Larutan kalium nitrat 1.0 mol dm-3
IV 1.0 mol dm-3

potassium bromide
Larutan kalium bromida 1.0 mol dm-3

The following equation represents the reaction between sodium hydroxide solution and
dilute sulphuric acid.
Persamaan berikut mewakili tindak balas antara larutan natrium hidroksida dengan asid
sulfurik cair.
H2SO4 + 2NaOH → Na2SO4 + 2H2O
What is the volume of 0.5 mol dm-3

sulphuric acid needed to neutralise 50 cm3
of

0.5 mol dm-3

sodium hydroxide?
Apakah isipadu 0.5 mol dm-3

asid sulfurik yang diperlukan untuk meneutralkan 50 cm3

0.5 mol dm-3

narium hidroksida?

Which of the following statements explains why ceramic is suitable to make an engine
block?
Yang manakah antara pernyataan berikut menerangkan mengapa seramik sesuai untuk
membina blok enjin?

Table 3 shows the proton number of elements S, T, U and V.
Jadual 3 menunjukkan nombor proton bagi unsur S, T, U dan V.

Table 3
Jadual 3

What is the arrangement of elements S, T, U and V in ascending order of atomic size?
Apakah susunan saiz atom secara menaik bagi unsur-unsur S,T, U dan V ?

C4H8 is the molecular formula for isomers X and Y.
C4H8 ialah formula molekul bagi isomer X dan Y.
Which of the following statements is true of isomers X and Y?
Antara pernyataan berikut yang manakah benar tentang X dan Y?

Diagram 12 shows curve X obtained when 8 g of granulated zinc (in excess) is reacted
with 50 cm3 of 1 mol dm-3 sulphuric acid.

Rajah 12 menunjukkan lengkung X apabila 8 g ketulan zink (berlebihan) bertindak balas
dengan 50 cm3

asid sulfurik 1 mol dm-3

Which of the following reactions produces curve Y?
Antara tindak balas berikut yang manakah menghasilkan lengkung Y?

The following statements are about atom G and J.
Pernyataan berikut adalah mengenai atom G dan J.
 Electron arrangement of atom G is 1
Susunan elektron atom G ialah 1
 Proton number of atom J is 6
Nombor proton atom J ialah 6

What is the formula of the compound formed between G and J?
Apakah formula bagi sebatian yang terbentuk antara G dan J?

Diagram 13 shows the set up of apparatus to investigate the effect of metals X, Y and Z
on the rusting of iron
Rajah 13 menunjukkan susunan radas untuk mengkaji kesan logam X, Y dan Z ke atas
pengaratan paku besi

Diagram 13
Rajah 13

Which of the following arrangements of metals X, Y and Z is in descending order of their
electropositivity ?
Yang manakah antara berikut adalah susunan logam X , Y dan Z mengikut tertib
kelektropositifan menurun ?

7 g of potassium hydroxide is dissolved in distilled water to form 250 cm3

of solution.

What is the molarity of the potassium hydroxide solution?
[Relative atomic mass: H=1, O=16, K=39]
7 g kalium hidroksida dilarutkan ke dalam air suling untuk membentuk 250 cm3
larutan.

Apakah kemolaran larutan kalium hidroksida tersebut?
[Jisim atom relatif: H=1, O=16, K=39]

Diagram 14 shows the energy level diagram of the displacement reaction between
magnesium and iron(II) chloride solution.
Rajah 14 menunjukkan gambar rajah aras tenaga bagi tindak balas penyesaran antara
magnesium dan larutan ferum(II) sulfat.

What is the increase in temperature if 50 cm3

of 0.25 mol dm-3

iron(II) chloride solution is

reacted with excess magnesium,?
Berapakah kenaikan suhu, jika 50 cm3

0.25 mol dm-3

larutan ferum(III) klorida ditindak

balaskan dengan berlebihan magnesium ?
[Specific heat capacity of the solution = 4.2 J g-1 oC-1]
[Muatan haba tentu larutan = 4.2 J g-1 oC-1]

Table 3 shows the results of an experiment for three chemical cells P, Q and R.
Jadual 3 menunjukkan keputusan eksperimen bagi tiga sel kimia P, Q dan R.

Table 3
Jadual 3

Which of the following arrangements of metals X, Y and Z is in descending order of
electropositivity in the electrochemical series?
Antara berikut yang manakah susunan logam X,Y dan Z mengikut tertib elektropositif
menurun dalam siri elektrokimia?

Diagram 15 shows curve W obtained from the decomposition of 20 cm of 0.40 mol dm-3
hydrogen peroxide solution, H2O2, using 0.2 g of manganese (IV) oxide as the catalyst at a
temperature of 30 0C.
Rajah 15 menunjukkan lengkung W terbentuk daripada penguraian 20 cm3
larutan hidrogen peroksida 0.40 mol dm-3, di mangkinkan oleh mangan(IV) oksida pada suhu 300C.

Which of the following experiments will produce curve X?
Antara eksperimen berikut yang manakah akan menghasilkan lengkung X?

ANSWER:

Table 4 shows the melting and boiling points of substances P, Q, R and S..
Jadual 4 menunjukkan takat lebur dan takat didih untuk bahan P, Q, R dan S..

Table 4
Jadual 4

Which of the following substances has the highest kinetic energy at room temperature?
Antara bahan berikut yang manakah mempunyai tenaga kinetic yang paling tinggi pada
suhu bilik?

The following equation shows the complete combustion of propene gas.
Persamaan berikut menunjukkan pembakaran gas propene
C3H6(g) + 9/2 O2(g) → 3CO2(g) + 3H2O(g)
Which of the following statements are true when 1 mol of propene gas is burnt
completely?
[Relative molecular mass : C3H6 =42, O2=32, CO2 =44, H2O= 18, Molar volume of gas
is 22.4 dm3 mol –1
at S.T.P.]

Yang manakah antara pernyataan berikut adalah benar apabila 1 mol gas propene
terbakar secara lengkap?
[Jisim molekul relatif : C3H8 =44, O2=32, CO2 =44, H2O= 18, Isi padu molar gas 22.4
dm3 mol –1
pada S.T.P.]
I Complete combustion of 0.1 mol of propene produces 5.4 g of water
Pembakaran lengkap 0.1 mol gas propena menghasilkan 5.4 g air
II Complete combustion of 1 mol of propene gas produces 2 mol of water
Pembakaran lengkap 1 mol gas propene menghasilkan 2 mol air
III Complete combustion of 4.2 g of propene requires 14.4 g of oxygen.
Pembakaran lengkap 4.2 g gas propena memerlukan 14.4 g gas oksigen
IV Complete combustion of 0.1 mol of propene produces 6.72 dm3

carbon dioxide

gas at s.t.p.
Pembakaran lengkap 0.1 mol propena akan menghasilkan 6.72 dm3

gas karbon

dioksida pada s.t.p

Ammonium sulphate, (NH4)2SO4 is an example of a fertilizer.
Calculate the percentage of nitrogen in 1 mole of ammonium sulphate.
[Relative atomic mass: N=14, H=1, S=,32, O=16]
Ammonium sulfat, (NH4)2SO4 adalah satu contoh baja.
Hitungkan peratus nitrogen dalam 1 mol ammonium sulfat.
[Jisim atom relatif: N=14, H=1, S=,32, O=16]

Diagram 16 shows the preparation of lead(II) chloride salt.
Rajah 16 menunjukkan persediaan garam plumbum(II) klorida.

What is the concentration of the hydrochloric acid needed to react completely with
lead(II) nitrate solution?
Berapakah kepekatan larutan asid hidroklorik yang diperlukan untuk bertindak balas
lengkap dengan larutan plumbum(II) nitrat?

Which of the following food additives can be used to make food stay fresh longer and taste
better?
Antara bahan tambah makanan berikut yang manakah boleh digunakan untuk
mengekalkan kesegaran makanan dan meningkatkan rasanya?

Diagram 17 shows the process to produce compound J.
Rajah 17 menunjukkan proses menghasilkan sebatian J.

Which of the following structural formulas is of compound J?
Antara formula struktur yang manakah bagi sebatian J?

Diagram 18 shows the set of apparatus of an experiment to investigate electron transfer at
a distance.
Rajah 18 menunjukkan susunan radas satu eksperimen pemindahan elektron pada satu
jarak.
Which of the following statements is true about the experiment?
Antara pernyataan berikut yang manakah benar tentang eksperimen itu?