WorksheetsF4 C2 2.1 Chemistry
Total questions: 15
Worksheet time: 8mins
Which of the following is an example of matter?
Antara yang berikut, yang manakah merupakan contoh bagi jirim?
Heat
Haba
Light
Cahaya
Air
Udara
Fire
Api
The diagram below shows interconversion state of matter. Which of the following is correct?
Rajah di bawah menunjukkan saling perubahan antara keadaan jirim. Antara yang berikut, yang manakah betul?
Process P occurs at boiling point.
Proses P berlaku pada takat lebur.
Heat is absorbed during process R.
Haba diserap ketika proses R.
The reverse of process Q is sublimation.
Proses yang berlawanan dengan proses Q adalah pemejalwapan.
A liquid of substance X is cooled from 80oC to -2oC. Substance X begins to freeze at 0oC. Which of the following graph represents the cooling curve for substance X?
Cecair bahan X disejukkan dari 80oC kepada -2oC. Bahan X mula membeku pada suhu 0oC. Antara graf berikut, yang manakah mewakili lengkung penyejukkan bahan X.
Diagram 2 shows the arrangement of particles of a substance. What is the process that has occurred.
Rajah 2 menunjukkan susunan zarah-zarah bagi suatu bahan. Apakah proses yang telah berlaku?
Condensation
Kondensasi
Freezing
Pembekuan
Melting
Peleburan
Sublimation
Pemejalwapan
Diagram 3 shows a graph of temperature against time for a substance. At what time does the substance is in the physical state of solid and liquid mixture?
Rajah 3 menunjukkan graf suhu melawan masa bagi suatu bahan. Pada masa bilakah bahan berada dalam keadaan fizikal campuran pepejal dan cecair?
t1
t2
t3
t4
Diagram 4 is a graph that shows the temperature against time for a sample of lead. Which of the labelled points represents the melting process?
Rajah 4 ialah suatu graf yang menunjukkan suhu melawan masa bagi satu sampel plumbum. Titik berlabel yang manakah mewakili proses peleburan?
W
X
Y
Z
Diagram 5 is a graph that shows the cooling curve for gas X. Which of the following statements is true?
Rajah 5 ialah satu graf yang menunjukkan lengkung penyejukan bagi gas X. Antara pernyataan yang berikut, manakah yang benar?
At point PQ, kinetic energy increases as temperature decreases.
Pada titik PQ, tenaga kinetik bertambah apabila suhu menurun.
At point QR, all forces of attraction between particles become weak.
Pada titik QR, semua daya tarikan antara zarah menjadi lemah.
At point R, gas X has completely melted.
Pada titik R, gas X telah melebur secara keseluruhan.
At point RS, heat is released to the environment.
Pada titik RS, haba dibebaskan ke persekitaran.
Table 1 shows the melting and boiling points of substances P, Q, R, and S. Which of the substances exists as a solid at room temperatures.
Jadual 1 menunjukkan takat lebur dan takat didih bagi bahan P, Q, R, dan S. Bahan yang manakah wujud sebagai pepejal pada suhu bilik?
P
Q
R
S
Which of the following takes place when bromine gas changes to bromine liquid?
Antara yang berikut, manakah berlaku semasa gas bromin berubah menjadi cecair bromin?
Heat energy is absorbed.
Tenaga haba diserap.
The collision frequency increases.
Frekuensi perlanggaran bertambah.
Distances between particles increases.
Jarak antara zarah bertambah.
The size of bromine particles remains the same.
Saiz zarah-zarah bromin kekal sama.
Deposition is one of the processes in the interconversion state of matter. Which of the following occurs during the deposition process?
Pengendapan merupakan salah satu proses dalam saling perubahan antara keadaan jirim. Antara yang berikut, yang manakah berlaku ketika proses pengendapan?
I. Heat is released (haba dibebaskan)
II. Kinetic energy of particles decreases (tenaga kinetik zarah berkurangan)
III. Distance between particles getting further (jarak antara zarah semakin berjauhan)
IV. Solid turns to gas (pepejal bertukar kepada gas)
I and II
I and III
II and IV
III and IV
The melting point and boiling point of substance W are -20oC and 18oC respectively. Which of the following statements is true about W at room temperature?
Takat lebur dan takat didih bagi bahan W masing-masing ialah -20oC dan 18oC. Antara pernyataan yang berikut, manakah benar tentang W pada suhu bilik>
It has fixed volume.
Ia mempunyai isi padu yang tetap.
The particles are vibrating and rotating in their fixed positions.
Zarah-zarah bergetar dan berputar pada kedudukan tetapnya.
The energy content of the particles is low.
Kandungan tenaga bagi zarah-zarah adalah rendah.
The forces of attraction between the particles are very weak.
Daya tarikan antara zarah adalah sangat lemah.
Which of the following statements are true about the states of matter of gas.
Antara pernyataan yang berikut, manakah benar tentang keadaan jirim bagi gas?
I. The particles are very far apart (Zarah-zarah adalah berjauhan antara satu sama lain)
II. Gases has fixed volume and shapes. (Gas mempunyai isipadu dan bentuk yang tetap)
III. The forces of attraction are very weak (Daya tarikan adalah sangat lemah)
IV. The kinetic energy of the particles are very high. (Tenaga kinetik bagi zarah-zarah adalah sangat tinggi)
I, II and III
I, II and IV
I, III and IV
II, III and IV
Which of the following shows the correct comparison of total kinetic energy of a solid, liquid and gas?
Antara yang berikut, manakah menunjukkan perbandingan jumlah tenaga kinetik bagi pepejal, cecair dan gas dengan betul?
solid = liquid = gas
pepejal = cecair = gas
solid < liquid > gas
pepejal < cecair > gas
solid < liquid > gas
pepejal < cecair < gas
solid = liquid < gas
pepejal = cecair < gas
Diagram 1 shows two gas jars that are filled with bromine gas and air respectively. The cover is then removed. Both the gas jars are filled with bromine gas after five minutes. What is the purpose of this experiment?
Rajah 1 menunjukkan dua balang gas yang masing-masing diisi dengan gas bromin dan udara. Penutup kemudian dikeluarkan. Kedua-dua balang gas diisi oleh gas bromin selepas lima minit. Apakah tujuan eksperimen ini?
To prove that bromine gas is a molecule.
Untuk membuktikan bahawa gas bromin ialah molekul.
To prove that bromine gas reacts with air.
Untuk membuktikan bahawa gas bromin bertindak balas dengan udara.
To shows that energy changes during the reaction.
Untuk menunjukkan perubahan tenaga semasa tindak balas.
To shows that bromine gas consists of fine and discrete particles.
Untuk menunjukkan gas bromin terdiri daripada zarah-zarah halus dan diskrit.
Which of the following is not true about kinetic theory.
Antara yang berikut, manakah tidak benar tentang teori kinetik?
Particles of all matters are similar.
Zarah-zarah bagi semua jirim adalah sama.
Matter is made up of discrete and tiny particles.
Jirim terdiri daripada zarah-zarah yang diskrit dan halus.
The particles are always moving and vibrating.
Zarah-zarah sentiasa bergerak dan bergetar.
Kinetic energy of particles increases with temperature.
Tenaga kinetik zarah-zarah meningkat dengan suhu.
