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Ujian Bab 2
2 Jirim dan Struktur Atom SKOR

SPM Matter and The Atomic Structure 63

Kertas 1

1. Antara bahan berikut, yang Which statement can be deduced Takat Takat
manakah terdiri daripada from Diagram 1? lebur (°C) didih (°C)
molekul? SK 2.1 KBAT Menganalisis Melting Boiling
Which of the following substances A Bahan Z tidak point (°C) point (°C)
consists of molecules? membebaskan tenaga
A
SK 2.1 release heat energy from t Rights Reserved.
–23
77
haba dari t ke t .
2
1
A Magnesium Substance Z does not B
Magnesium release heat energy from t 0 100
B Karbon ke t . 2 1 C 97.5 255
Carbon B Bahan Z tidak D
C Naftalena membebaskan tenaga 271 1560
Naphthalene haba dari t ke t . 5. Antara yang berikut, yang
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3
2
D Natrium klorida Substance Z does not manakah berlaku ketika
Sodium chloride proses pengendapan iodin?
ke t . 2 Which of the following occurs
2. Proses manakah yang 3
C Takat beku bahan Z ialah during the deposition of iodine?
berlaku apabila ais kering
70 °C. SK 2.1
dimasukkan ke dalam sebuah
The freezing point of A Daya tarikan antara
bekas berisi air panas? substance Z is 70 °C.
Which process occurs when dry molekul iodin menjadi
ice is put in a container filled with D Zarah-zarah tersusun lebih lemah.
hot water? SK 2.1 kurang padat dari t ke t . Attraction force between
2
3
A Melting The particles are less iodine molecules becomes
Peleburan densely packed from t to t . weaker.
2
3
B Molekul iodin menjadi
B Penyejatan 4. Bahan X wujud dalam
Evaporation semakin jauh antara satu
keadaan pepejal pada 100 °C.
C Kondensasi Antara yang berikut, yang sama lain.
Condensation The iodine molecules
manakah takat lebur dan become far apart from each
D Pemejalwapan takat didih bahan X? other.
Sublimation Substance X exists in solid state at
100 °C. Which of the following are C Tenaga kinetik molekul
3. Rajah 1 menunjukkan iodin bertambah.
lengkung penyejukan cecair Z. the melting point and boiling point The kinetic energy of iodine
Diagram 1 shows the cooling curve of substance X? molecules increases.
of liquid Z. SK 2.1 KBAT Menganalisis D Haba dibebaskan.
Suhu (ºC) Heat is released.
Temperature (ºC)
6. Antara yang berikut, yang manakah benar tentang cas relatif dan
jisim relatif zarah-zarah subatom?
70 Which of the following is true about the relative charge and relative mass of
subatomic particles? SK 2.2
Masa (minit) Zarah Subatom Cas relatif Jisim relatif
0 t t t Time (minute) Subatomic particle Relative charge Relative mass
1 2 3
A Elektron / Electron –1 1
Rajah 1 / Diagram 1
B Proton / Proton +1 1
Pernyataan manakah yang 1
boleh dideduksikan daripada C Neutron / Neutron 0
1840
Rajah 1?
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