kimia paper 1 pertengahan thn 15
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SULIT4541/1Answer all the questionsJawab semua soalan
1.Which of these substances will sublimate when heated?Bahan yang manakah akan memejalwap apabila dipanaskan?
A.IceAis
B.IodineIodin
C.BromineBromin
D.Potassium chlorideKalium klorida
2.
Figure 1/ Rajah 1
Figure 1 shows the arrangement of particles in a substances. What is the characteristic of this material?Rajah 1 menunjukkan susunan zarah dalam suatu bahan. Apakah ciri bahan itu?
A.Very strong attraction force between the particles.Daya tarikan antara zarah sangat kuat.
B.Has a fixed volume.Mempunyai isi padu yang tetap.
C.Has a high energy content.Mempunyai kandungan tenaga yang tinggi.
D.Its particles will not collide with one another.Zarah-zarah tidak berlanggaran antara satu sama lain
3.The table 1 shows the melting point and boiling point of four substances W, X, Y and Z.
Jadual 1 menunjukkan takat lebur dan takat didih bagi bahan-bahan W, X, Y dan Z.
SubstancesBahan-bahanMelting point (0C)Takat lebur (0C)Boiling point (0C)Takat didih (0C)
W-187-126
X75130
Y114444
Z-7968
Table 1 Jadual 1
Which of the substances is a liquid at 60 0C?Manakah antara bahan-bahan berikut merupakan cecair pada suhu 60 0C?
A.W
B.X
C.Y
D.Z
4.Temperature (0C)Suhu (0C)Time (minutes)Masa (minit)XY
Figure 2/ Rajah 2
Figure 2 shows the cooling graph of liquid naphthalene. Which of the following shows the physical states at X and Y ?Rajah 2 menunjukkan graf penyejukkan bagi cecair naftalena. Apakah keadaan fizikal pada peringkat X dan Y?
X Y
A.Solid LiquidPepejal Cecair
B.Gas SolidGas Pepejal
C.Liquid GasCecair Gas
D.Liquid SolidCecair Pepejal
5.Which of the following scientist discovered the electron?Antara yang berikut, ahli sains manakah yang menemui elektron?
A.Ernest Rutherford
B.J.J. Thomson
C.Neils Bohr
D.James Chadwick
6.The diagram 3 shows the symbols of atom X.Rajah 3 menunjukkan simbol bagi atom X.
Figure 3Rajah 3
What is the number of neutrons in atom X? Apakah bilangan neutron bagi atom X?
A.9
B.10
C.19
D.
28
7.The table 1 shows the proton number of five atoms U, V, W, X and Y.Jadual 1 menunjukkan bilangan nombor proton bagi lima atom iaitu U, V, W, X dan Y.Atom/AtomProton number/Nombor Proton
U10
V13
W15
X17
Y19
Table 2 / Jadual 2
Which pairs formed a compound with high melting and boiling points?Pasangan manakah boleh membentuk sebatian yang mempunyai takat lebur dan takat didih yang tinggi?
AU and W / U dan W
BV and Y / V dan Y
CX and Y / X dan Y
DW and X / W dan X
8.Diagram 2 shows the standard representation for atom of element Z.Rajah 2 menunjukkan perwakilan piawai bagi atom unsur Z.Z3617
Diagram 4 Rajah 4Which statement is true about atom Z?Pernyataan manakah betul mengenai atom Z ?
AThe valence electrons is 17 Elektron valens adalah 17
BThe nucleon number is 53Nombor nukleon adalah 53
CThere are 17 protons and 36 neutrons in the nucleus of atom ZTerdapat 17 proton dan 36 neutron dalam nukleus atom Z
DThere are 17 electrons and 19 neutrons in atom ZTerdapat 17 electron dan 19 neutron dalam atom Z
9.9. The proton number of X is 19. Which is the correct electron arrangement of X? Nombor proton X ialah 19. Apakah susunan elektron yang betul bagi X?
A 2.9 B 2.8.7 C 2.8.9 D 2.8.8.1
10.
Al
Diagram 5 Rajah 5
Diagram 5 shows the atomic structure of aluminium. What is the arrangement of electrons for aluminium? Rajah 5 menunjukkan struktur atom aluminium. Apakah susunan elektron bagi aluminium?
A 13 B 2.3 C 2.8.3 D 3.8.2
111 One nitrogen atom has 7 protons and 7 neutrons in its nucleus. Which of the following is true about the nitrogen atom? Atom nitrogen mempunyai 7 proton dan 7 neutron dalam nukleusnya. Antara berikut, yang manakah benar tentang atom nitrogen?
I. The proton number of nitrogen atom is 7 Nombor proton atom nitrogen ialah 7 II. The nucleon number of a nitrogen atom is 14 Nombor nukleon aton nitrogen ialah 14 III. The nitrogen atom has 7 electrons Atom nitrogen mempunyai 7 elektron IV. The arrangement of electrons in a nitrogen atom is 2.7 Susunan elektron bagi atom nitrogen ialah 2.7
A I and III only
B I, II and III only C 1, III and IV only D II, III, and IV only
13.12Which isotope is used to determine the age of fossils?Isotop manakah digunakan untuk menentukan usia fosil?
ASodium-24Natrium-24
BCarbon-14Karbon-14
CCobalt-60Kobalt-60
DIodine-131Iodin-131
13What are the similarities between bromine-80 and bromine-81?Apakah persamaan di antara bromin-80 dan bromin-81?
A.Number of protons and chemical properties.Bilangan proton dan sifat-sifat kimia.
B.Number of electrons and physical properties.Bilangan eleKtron dan sifat-sifat fizik.
C.Number of neutron and chemical properties.Bilangan neutron dan sifat-sifat kimia.
D.Number of protons and physical properties.Bilangan proton dan sifat-sifat fizik.
14Isotopes are similar in theirIsotop-isotop adalah sama dari segi
ANumber of neutronsBilangan neutronnya
BNucleon numbersNombor nukleonnya
CPhysical propertiesSifat fiziknya
DNumber of protonsBilangan protonnya
15Table 3 shows the informations of elements Q and R.Jadual 3 menunjukkan maklumat unsur Q dan R..ElementUnsurElectronElektronNeutronNeutronProtonProton
Q354435
R354635
Table 3Jadual 3
Which statements are true about element Q and R?Pernyataan manakah betul tentang unsur Q dan R?
I Q and R are isotopes. Q dan R adalah isotop.II Q and R are positively charged. Q dan R adalah bercas positif.III Q and R are the same element. Q dan R adalah unsur yang sama.IV Q and R have the same nucleon number. Q dan R mempunyai nombor nukleon yang sama.
A.I and III onlyI dan III sahaja
B.I and IV onlyI dan IV sahaja
C.II and IV onlyII dan IV sahaja
D1, II and III onlyI,II dan III sahaja
16How many atoms in 2 moles of hydrogen gas ?[Avogadros constant = 6.02 1023 mol-1]Berapakah bilangan atom yang terdapat dalam 2 mol gas hydrogen?
A1.51 x 10 23
B3.01 x 10 23
C1.20 x 10 24
D2.41 x 10 24
17Which of the following is true for one mole of water, H2O[Relative atomoc mass : H = 1, O = 16 ; Avogadros constant = 6 1023 mol-1]Antara berikut yang manakah benar bagi satu molekul air, H2O?
AConsists of two mole of hydrogen atom and one mole of oxygen atomMengandungi dua mol atom hidrogen dan satu mol oksigen atom
BConsists of two atoms of hydrogen and one atom of oxygen Mengandungi dua atom hidrogen dan satu atom oksigen
CRelative Molecular Mass is 18 gJisim molekul relatif ialah 18 g
DHas 3 x 6 x 1023 atomsMempunyai 3 x 6 x 1023 atom
18Which of the following gas has the same number of atoms?[ Avogadros constant = 6 1023 mol-1]Antara gas-gas berikut, yang manakah mempunyai bilangan atom yang sama?[Pemalar Avogadro = 6.02 1023 mol-1]
I0.5 mol of oxygen gas, O20.5 mol gas oksigen, O2
II0.5 mol of carbon dioxide gas, CO20.5 mol gas karbon dioksida, CO2
III1.5 mol of helium gas, He1.5 mol gas helium, He
IV1.5 mol of hydrogen gas, H21.5 mol gas hidrogen, H2
AI and III dan II
BII and IIIII dan III
CIII and IVIII dan IV
DI and IVI dan IV
19Mass of bromine water is 120 g. What is the number of moles of bromine water?[Relative atomic mass : Br = 80]
Jisim bagi air bromin ialah 120 g.Apakah bilangan mol bagi air bromin?[Jisim atom relatif: Br = 80]
A0.67
B0.75
C1.33
D1.50
20What is the mass of one mole of oxygen molecules?
[Relative atomic mass of O = 16]
Berapakah jisim satu mol molekul oksigen?
[Jisim atom relatif O = 16]
A6.02g
B16g
C24g
D32g
21How many moles iron (II) carbonate are there in 1.74 g of iron (II) carbonate?
[Relative atomic mass of C = 12, O = 16, Fe = 56]
Berapakah bilangan mol ferum (II) karbonat yang terdapat dalam 17.4 g ferum (II) karbonat?
[Jisim relatif atom of C = 12, O = 16, Fe = 56]
A0.15 mole0.15 mol
B0.72 mole0.72 mol
C1.21 mole1.21 mol
D1.48 mole1.48 mol
22What is the mass of carbon which contains the same number of atoms as 6.9 g of sodium?
[Relative atomic mass: C = 12 ; Na = 23]
Berapakah jisim karbon yang mengandungi bilangan atom yang sama dengan 6.9 g natrium?
[Jisim atom relatif : C = 12 ; Na = 23]
A3.6g
B11.2g
C16.8g
D22.4g
23What is the volume of carbon dioxide gas produced when 1200 cm3 of ethane gas is burnt completely in air.
[1 mol of gas occupied 24 dm3 at room condition.]
Apakah isipadu gas karbon dioksida yang terhasil apabila 1200cm3 etana dibakar dengan lengkap dalam udara.
[1 mol gas menempati 24dm3 pada keadaan bilik.]
A1.40cm3
B2.40 cm3
C1200 cm3
D2400 cm3
24Table below shows fertilisers and their respective relative molecular mass.
Jadual di bawah menunjukkan beberapa baja dan jisim molekul relatif masing-masing.
FertiliserRelative molecular mass
Ammonium sulphate, (NH4)2SO4132
Ammonium nitrate, NH4NO380
Potassium nitrate, KNO3101
Urea, CO(NH2)260
Which of the following fertilisers contains the highest percentage of nitrogen percentage of nitrogen by mass?
Yang manakah antara baja berikut mengandungi peratus nitrogen mengikut jisim yang paling tinggi?
[ Relative atomic mass of N = 14 ]
AUrea
BAmmonium nitrate
CPotassium nitrate
DAmmonium sulphate
251.3 g of zinc reacts with excess sulphuric acid. Calculate the volume of hydrogen gas formed at s.t.p.
1.3 g zink bertindakbalas dengan asid sulfurik berlebihan. Hitungkan isipadu gas hydrogen yang terbentuk pada s.t.p.
[ RAM : Zn=65 ; 1 mole of gas occupies a volume of 22.4 dm3 at s.t.p. ]
[ JAR : Zn=65 ; 1 mol gas menempati isipadu 22.4 dm3 at s.t.p ]
A112 cm3
B224 cm3
C336 cm3
D448 cm3
26What is the volume of carbon dioxide gas produced when 1200 cm3 of ethane gas is burnt completely in air.
[1 mol of gas occupied 24 dm3 at room condition.]
Apakah isipadu gas karbon dioksida yang terhasil apabila 1200cm3 etana dibakar dengan lengkap dalam udara.
[1 mol gas menempati 24dm3 pada keadaan bilik.]
A1.40cm3
B2.40 cm3
C1200 cm3
D2400 cm3
27Diagram shows the number of moles of three types of substances in contains of P,Q and R.
Rajah menunjukkan bilangan mol bagi tiga jenis bahan di dalam bekas P,Q dan R.
Which of the followings are true about the substances?Antara yang berikut yang manakah benar tentang bahan tersebut?
IThe number of Ions in container of P are 6.02 1023Bilangan ion di dalam bekas P adalah 6.021023
IIAll container of P,Q and R contain 6.021023 particlesSemua bekas P,Q dan R mengandungi 6.021023zarah
IIIThe number of atoms in both container Q and R are 6.0210230.53Bilangan atom di dalam kedua-dua bekas Q dan R adalah 6.0210230.53
IVThe number of molecules in container Q are same as the number of molecules in container RBilangan molekul di dalam bekas Q adalah sama dengan bilangan molekul di dalam bekas R.
AI, II and III only
BII, III, IV only
CI,III,IV only
DI,II,III,IV
28How many molecules are there in 100 cm3 of chlorine gas at room conditions?
Berapakah bilangan molekul dalam 100 cm3 gas klorin pada keadaan bilik?
[ Avogadros constant : 6.02 1023 mol-1 ; Molar volume of gas = 24 dm3 mol-1 at room conditions ]
[ Pemalar Avogadros constant : 6.02 1023 mol-1 ; Isipadu molar gas = 24 dm3 mol-1 pada keadaan bilik ]
A2.51 1021
B2.51 1024
C6.02 1021
D6.02 1025
29Ethane gas, C2H6 burns completely with oxygen gas to produce carbon dioxide gas and water.
Gas etana membakar lengkap dengan kehadiran gas oksigen untuk menghasilkan gas karbon dioksida dan air.
Calculate the volume of carbon dioxide gas produced for a complete combustion of 30g of ethane gas at STP.
Kira isipadu gas karbon dioksida yang dihasilkan untuk pembakaran lengkap bagi 30g gas etana pada STP.
[Relative atomic mass: H=1; C=12; 1 mole of any gas occupies a volume of 22.4 dm3 at STP]
[Jisim atom relatif: H=1; C=12; 1 mol gas memenuhi isipadu 22.4dm3 pada STP]
A22.4dm3
B44.8dm3
C67.2dm3
D89.6dm3
30Which of the following gases occupies 3.36 dm3 at s.t.p?
[Relative atomic mass : H = 1, N = 14m O = 16 and 1 mol of gas occupies a volume of 22.4 dm3 at s.t.p]
Antara gas berikut, yang manakah memenuhi 3.36 dm3pada s.t.p?
[Jisim atom relatif : H = 1, N = 14, O = 16 dan 1 mol gas menempati isipadu 22.4 dm3 pada s.t.p]
A4.25g of NH3
B6.9g of N2
C9.8g of NO2
D11.2g of O2
31What is the relative formula mass of ammonium nitrate, NH4NO3 ?[Relative atomic mass: N, 14; H, 1; O, 16]
Berapakah jisim formula relatif bagi ammonium nitrat, NH4NO3 ?[Jisim atom relatif : N, 14; H, 1; O, 16]
A76
B79
C80
D90
32The following equation represents a reaction.
Persamaan berikut mewakili satu tindak balas.
3H2 (g) + N2 (g) 2NH3 (g)
What is the relative molecular mass of the product?
Apakah jisim molekul relative bagi hasil tersebut?
[ Relative atomic mass : H=1 ; N=14 ]
[Jisim atom relatif : H=1 ; N=14 ]
A2
B17
C28
D34
33The following equation represents the combustion of methane.
Persamaan berikut mewakili pembakaran metana.
CH4 + 2O2 CO2 + 2H2O
Calculate the volume of carbon dioxide formed at standard temperature and pressure if 3.2 g of methane is used.
Kira isipadu karbon dioksida yang terhasil pada suhu dan tekanan piawai jika 3.2 g metana digunakan.
( Relative atomic mass : H=1 , C=12 , O=16 )
( Molar volume of gas at standard temperature and pressure 22.4 dm3 mol-1 )
A4.48 dm3
B2.24 dm3
C1.63 dm3
D1.12 dm3
34The following equation represents the combustion of methane.
Persamaan berikut mewakili pembakaran metana.
CH4 + 2O2 CO2 + 2H2O
Calculate the volume of carbon dioxide formed at standard temperature and pressure if 3.2 g of methane is used.
Kira isipadu karbon dioksida yang terhasil pada suhu dan tekanan piawai jika 3.2 g metana digunakan.
( Relative atomic mass : H=1 , C=12 , O=16 )
( Molar volume of gas at standard temperature and pressure 22.4 dm3 mol-1 )
A4.48 dm3
B2.24 dm3
C1.63 dm3
D1.12 dm3
35Sodium hydrogen carbonate decompose on heating according to the following equation :
Natrium hidrogen karbonat terurai oleh haba mengikut persamaan berikut :
2NaHCO3 (s) Na2CO3 (s) + CO2 (g) + H2O (l)
If 16.8 g of sodium hydrogen carbonate is used, what is the mass of sodium carbonate produced?
Jika 16.8 g natrium hidrogen karbonat digunakan, berapakah jisim natrium karbonat yang terhasil?
[ Relative atomic mass :
[ Jisim atom relatif : H = 1 ; C = 12 ; O = 16 ; Na = 23 ]
A5.3 g
B10.6 g
C21.2 g
D42.4 g
369.26 g R metal reacted with 8.2 g of oxygen gas. Which of the following best represents the chemical equation for this reaction?
9.26 g logam R bertindak balas dengan 8.2 g gas oksigen. Yang manakah berikut mewakili persamaan kimia bagi tindak balas ini.
A4R + O2 2R2O
B3R + O2 R3O2
C4R + 3O2 2R2O3
D2R + 3O2 R2O3
37The equation is represents the decomposition of hydrogen peroxide.
Persamaan berikut mewakili tindak balas penguraian hidrogen perosida.
2H2O2 2H2O + O2
How many moles of hydrogen peroxide H2O2 is required to produce 480 cm3 of oxygen gas at room condition?[Molar volume of gas = 24 dm3 mol-1 at room condition]
Berapakah bilangan mol hidrogen peroksida, H2O2 yang diperlukan untuk menghasilkan 480 cm3gas oksigen pada keadaan bilik?[Isipadu molar gas = 24 dm3 mol-1pada keadaan bilik]
A0.01
B0.02
C0.04
D0.05
38Table below shows the percentage by mass of each element in a compound and their relative atomic masses.
Jadual di bawah menunjukkan peratusan mengikut jisim bagi setiap unsur dalam satu sebatian dan juga jisim atom relatif masing-masing.
ElementsUnsurCHO
Percentage (%)Peratus (%)26.702.2071.10
Relative atomic massJisim atom relative12116
What is the empirical formula of the compound?
Apakah formula empirik untuk sebatian tersebut?
ACHO
BCHO2
CCH2O
DC2HO
39 1.04 g of metal M react with 0.48 g of oxygen to form M oxide. Determine the empirical formula of M oxide.
1.04 g logam M bertindak balas dengan 0.48 g oksigen untuk membentuk oksida M. Tentukan formula empirik oksida M.
[ relative atomic mass : O = 16 ; M = 52 ]
AMO
BMO2
CM2O3
DM3O2
40Diagram below shows the set-up of apparatus to determine the empirical formula of magnesium oxide.
Rajah di bawah menunjukkan radas untuk menentukan formula empirik bagi magnesium oksida.
Which of the following statement is true for the lifting and closing of the lid quickly and occasionally during heating?
Antara pernyataan berikut yang manakah benar bagi penutup diangkat dan ditutup dengan cepat sekali sekala semasa pemanasan?
ATo avoid the pressure in the crucible dishUntuk mengelak tekanan dalam mangkuku pijar
BTo avoid the crucible dish from crackingUntuk mengelak mangkuku pijar dari retak
CTo avoid the white fumes from excapingUntuk mengelak wasap putih daripada terbebas keluar
DTo avoid water vapour from entering the crucible dishUntuk mengelak wap air daripada memasuki mangkuk pijar
41Which of the following scientists did not contribute to the development of the Periodic Table.
Antara ahli sains berikut yang manakah tidak menyumbang terhadap kemajuan Jadual Berkala?
ALothar Meyer
BJohn Newlands
C Michael Faraday D Dimitri Mendeleev
42Which of the electron arrangement of an atom below represents a noble gas ?
Manakah antara susunan elektron bagi atom berikut mewakili gas adi ?
A2.1
B2.8
C 2.8.4 D 2.8.7
C Y, Z, X, W43Diagram below shows parts of the Periodic Table of Elements. The symbols W, X, Y and Z and not the actual symbols of the elements.Which of the following shows the correct arrangement of elements W, X, Y and Z in order of increasing atomic size?
Rajah di bawah menunjukkan sebahagian Jadual Berkala Unsur. Simbol-simbol W, X, Y dan Z tidak mewakili simbol sebenar unsur.Antara yang berikut, yang manakah mewakili susunan yang betul pertambahan saiz atom bagi unsur-unsur W, X, Y dan Z?
AW, X, Y, Z
BX, Y, W, Z
D Z, Y, W, X
C 2.8.8.144Z is an element that reacts with water to produce hydrogen gas.Which of the following is likely to be the electron arrangement of Z?
Z adalah satu unsur yang boleh bertindakbalas dengan air untuk menghasilkan gas hidrogen. Yang manakah antara berikut adalah susunan elektron Z?
A2.4
B2.8.7
D 2.8
45Diagram below is the standard representation of element X.
Rajah di bawah menunjukkan perwakilan piawai bagi unsure X.
Which of the following is true about X?
Antara berikut, yang manakah benar tentang X?
AAtom X has 35 neutronsAtom X mempunyai 35 neutron.
BX exists as solid at room temperature.X kekal sebagai pepejal dalam suhu bilik.
CElectron arrangement of atom X is 2.8.8Susunan electron atom X ialah 2.8.8.
DX is in group 17 and period 3 in the Periodic Table of element.X adalah dalam kumpulan 17 dan kala 3 di dalam Jadual Berkala Unsur.
46Neon does not react with other elements.Which of the following statements is true about neon?
Neon tidak bertindak balas dengan unsur lain. Antara pernyataan berikut, yang manakah benar mengenai neon?
ANeon always combines with itselfNeon sentiasa bergabung dengan diri sendiri
BNeon exists as monoatomic gasNeon wujud sebagai gas monoatom
CNeon has stable octet electron arrangementNeon mempunyai susunan elekron octet yang stabil
DNeon has stable duplet electron arrangementNeon mempunyai susunan duplet yang stabil
47How are the elements in the Periodic Table arranged?
Bagaimanakah unsur-unsur dalam Jadual Berkala disusun?
AAccording to increasing relative molecular massMengikut pertambahan jisim molekul relatif
BAccording to increasing relative atomic massMengikut pertambahan jisim atom relatif
CAccording to increasing nucleon numberMengikut pertambahan nombor nukleon
DAccording to increasing proton numberMengikut pertambahan nombor proton
48 Which substance is suitable to be used in the lamp?
Bahan manakah yang sesuai digunakan dalam lampu itu?
A restaurant owner wants to use colourful electric lamps to attract customers.Pemilik sebuah restoran ingin menggunakan lampu elektrik berwarna-warni untuk menarik pelanggan
ANeon
BArgon
C Krypton D Xenon
4 49 Table below shows the number of electrons of ion M3-.
Jadual di bawah menunjukkan bilangan elektron bagi ion M3-.
ParticleZarah Number of electronBilangan elektron
Ion M3-18
What is the position of the element M in the Periodic table?
Apakah kedudukan unsur M dalam Jadual berkala?
Period / KalaGroup / Kumpulan
A23
B315
C317
D42
50 Which isotope is used in radiotherapy for the treatment of cancer? Isotop manakah digunakan dalam radioterapi untuk mengubati penyakit kanser?
A Cobalt-60 Kobalt-60
B Sodium-24 Natrium-24
C Carbon-14 Karbon-14
D Phosphorus-32 Fosforus-32
END OF QUESTION PAPERKERTAS SOALAN TAMAT
Disediakan oleh,Disemak, Disahkan oleh,
... (M.MULLAIKODY)(LIM CHEE WEI ) (SITI NAJWA BT HAJI SAHRI)Guru mata pelajaran Kimia Ketua Panitia Kimia Guru Kanan Sains Dan MatematikSMK St.JohnSMK St John SMK St.John
2
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