
Ulangkaji Peperiksaan Pertengahan Tahun Ting 5
Authored by Saidatul Fatimah
Science
11th Grade
Used 7+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satu sampel air daripada sebuah tasik diuji dan didapati mempunyai nilai BOD yang tinggi. Apakah yang ditunjukkan oleh nilai BOD yang tinggi?
A water sample from a lake was tested and found to have a high BOD value. What does a high BOD value indicate?
Air tasik tidak tercemar
The lake water is not polluted
Air tasik mengandungi banyak nitrogen
The lake water contains a lot of nitrogen
Kuantiti oksigen yang terlarut dalam air adalah tinggi
The amount of dissolved oxygen in the water is high
Kuantiti oksigen yang terlarut dalam air adalah rendah
The amount of dissolved oxygen in the water is low
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7 g ketulan zink bertindak balas dengan asid hidroklorik cair berlebihan sehingga lengkap dalam masa 1 minit. Hitung kadar tindak balas bagi tindak balas ini.
7 g of zinc pieces completely reacts with excess dilute hydrochloric acid in a minute. Calculate the rate of reaction of this reaction.
0.05 g s-1
0.12 g s-1
0.6 g s-1
3 g s-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan graf kuantiti hasil tindak balas melawan masa.
Diagram shows the graph of quantity of product against time.
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara gas rumah hijau yang berikut, yang manakah merupakan gas utama dalam jejak kaki karbon?
Which of the following greenhouse gases is the main gas in the carbon footprint?
Ozon
Ozone
Metana
Methane
Nitrus oksida
Nitrous oxide
Karbon dioksida
Carbon dioxide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah ciri suatu mangkin?
Which of the following is a characteristic of catalysts?
Tidak berubah secara kimia pada akhir tindak balas
Does not change chemically at the end of the reaction
Kuantiti mangkin berkurangan pada akhir tindak balas
The quantity of catalyst decreases at the end of the reaction
Mengubah kuantiti hasil tindak balas dalam tindak balas
Change the quantity of the product in the reaction
Kuantiti pemangkin dan bahan tindak balas yang sama diperlukan
The sama quantity of catalyst and reactant is required
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara proses berikut, yang manakah diaplikasikan untuk menghasilkan asid sulfurik secara industri?
Which of the following processes is applied to produce sulphuric acid in industries?
Proses sentuh
Contact process
Proses Haber
Haber process
Penyulingan
Distillation
Elektrolisis
Electrolysis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah suhu yang paling sesuai untuk Proses Sentuh?
What is the optimal temperature for Contact Process?
400 ºC
420 ºC
450 ºC
500 ºC
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