Worksheets8.1, 8.2 & 8.3 ALOI DAN KEGUNAANNYA DALAM INDUSTRI
Total questions: 14
Worksheet time: 10mins
Which of the following processes increase the hardness of a metal?
Antara proses berikut yang manakah dapat menambahkan kekerasan sesuatu logam?
A Purification / Penulenan
B Alloying / Pengaloian
C Plating / Penyaduran
D Polymerization / Pempolimeran
What is the main metal used in the formation of pewter?
Apakah logam utama yang digunakan dalam pembentukan piuter?
A Iron / Besi
B Nickel / Nikel
C Tin / Timah
D Antimony / Antimoni
A student wants to build a model of an aeroplane which is light and strong.
Which of the following substances is the most suitable to be used?
Seorang murid ingin membina model kapal terbang yang ringan dan kuat.
Antara bahan berikut, yang manakah paling sesuai digunakan?
A Iron / Besi
B Steel / Keluli
C Copper / Kuprum
D Duralumin / Duralumin
Which mixture form bronze?
Campuran yang manakah menghasilkan gangsa?
A Iron and carbon / Besi dan karbon
B Copper and tin / Kuprum dan timah
C Copper and zinc / Kuprum dan zink
D Tin and antimony / Timah dan antimoni
Diagram shows an aeroplane.
What is the material used to build the part labeled S?
Rajah menunjukkan sebuah kapal terbang.
Apakah bahan yang digunakan untuk membina bahagian berlabel S?
A Iron / Besi
B Steel / Keluli
C Duralumin / Duralumin
D Aluminium / Aluminium
The body of an aeroplane is made of duralumin.
What is the main metal used?
Badan kapal terbang diperbuat daripada duralumin.
Apakah logam utama yang digunakan?
A Aluminium / Aluminium
B Magnesium / Magnesium
C Copper / Kuprum
D Iron / Besi
Diagram shows the arrangement of atoms in a substance.
What is the function of foreign atoms?
Rajah menunjukkan susunan atom dalam suatu bahan.
Apakah fungsi atom-atom asing?
A Soften the substance
Melembutkan bahan
B Prevent the atoms from sliding
Menghalang atom-atom daripada menggelongsor
C Increase the attractive force among the atoms
Meningkatkan daya tarikan antara atom
D Decrease the melting point of the substance
Merendahkan takat lebur bahan
Diagram shows the production of compound X in an industry. What is compound X?
Rajah menunjukkan proses penghasilan sebatian X dalam industri. Apakah sebatian X?
A Nitrate / Nitrat
B Ammonia / Ammonia
C Nitric acid / Asid nitrik
D Sulphuric acid / Asid sulfurik
The following word equation shows a chemical reaction.
What is X?
Persamaan perkataan berikut menunjukkan suatu tindak balas kimia. Apakah X?
A Urea / Urea
B Soap / Sabun
C Ester / Ester
D Ammonia / Ammonia
BChoose the correct match between industrial wastes and the method of controlling them.
Pilih padanan yang betul tentang bahan sisa industri dan cara pengawalannya.
A
B
C
D
Which of the following is the effect of excessive disposal of organic waste?
Antara yang berikut, yang manakah kesan pelupusan sisa organik yang berlebihan?
A Acid rain / Hujan asid
B Greenhouse effect / Kesan rumah hijau
C Depletion of the ozone layer / Penipisan lapisan ozon
D Destruction of aquatic life / Kemusnahan hidupan akuatik
The following information shows the effects of pollution on the environment.
What is the source of the pollution?
Maklumat berikut menunjukkan kesan pencemaran ke atas alam sekitar.
Apakah punca pencemaran itu?
A Agricultural waste / Sisa pertanian
B Radioactive waste / Sisa radioaktif
C Burning fossil fuels / Pembakaran bahan api fosil
D Industrial toxic waste / Sisa toksik industri
Which gas released by industrial activities is the main cause of acidic rain?
Antara gas yang dibebaskan oleh aktiviti perindustrian, yang manakah penyebab utama hujan asid?
A Ammonia / Ammonia
B Sulphur dioxide / Sulfur dioksida
C Carbon dioxide / Karbon dioksida
D Carbon monoxide / Karbon monoksida
Diagram shows the location of a residential area where Adam lives. Lately he finds out that he always has difficulty in respiratory system which lead to asthmatic.
What is the main cause of the problem?
Rajah menunjukkan lokasi kawasan perumahan di mana Adam tinggal. Akhir-akhir ini dia mengalami masalah sistem respirasi yang membawa kepada penyakit asma.
Apakah punca utama masalah tersebut?
A Air pollution / Pencemaran udara
B Thermal pollution / Pencemaran terma
C Water pollution / Pencemaran air
D Sound pollution / Pencemaran bunyi
