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WorksheetsChemical substance in industry
Total questions: 23
Worksheet time: 23mins
The diagram shows the arrangement of atom in brass. Why is brass harder than pure copper?
Rajah menunjukkan susunan atom di dalam loyang.Mengapa loyang lebih keras daripada kumprum?
Zinc atoms form very strong hydrogen bonds with copper atoms.
Atom zink membentuk ikatan hidrogen yang kuat dengan atom kuprum
Zinc atoms reduce the layers of copper atoms from sliding over each other.
Atom zink mengurangkan lapisan atom kuprum daripada menggelongsor antara satu sama lain
Zinc atoms prevent electrons from moving freely in the sea of electrons.
Atom zink menghalang elektron daripada bergerak bebas di dalam lautan elektron
Zinc atom contributes more electrons to the sea of electrons.
Atom zink menyumbang lebih banyak elektron di dalam lautan elektron
The main substance in the making of all types of glass is
Bahan utama untuk menghasilkan semua jenis kaca ialah
calcium carbonate
Kalsium karbonat
sodium carbonate
Natrium karbonat
lead(II) oxide
Plumbum(II) oksida
silicon dioxide
Silikon dioksida
The making of ceramic objects involves the heating of the object at a high temperature in a furnace. Why is this process carried out?
Proses menghasilkan bahan seramik akan melibatkan pemanasan pada suhu yang tinggi di dalam relau.Mengapakah proses ini dijalankan?
To remove water
Untuk menyngkirkan air
To keep its shape
Untuk mengekalkan bentuk
To break all chemical bonds
Untuk memecahkan semua ikatan kimia
To form strong covalent bonds and ionic bonds
Untuk membentuk ikatan kovalen dan ikatan ionik yang kuat
Silicon carbide, SiC, is an example of advanced ceramic which can be used to make
Silikon karbida, SiC adalah contoh seramik termaju yang boleh digunakan untuk membuat
car brakes
brek kereta
window panes
cermin tingkap
electrical cables
kabel elektrik
water tanks
tangki air
Industrial Revolution 4.0 (IR 4.0) will witness the Internet of Things (IOT) in almost all aspects of daily lives. All electronic devices can be connected to the Internet via computer networks. What material is most suitable to make the cables?
Revolusi industri 4.0 (IR 4.0) menyaksikan 'Internet of Things (IOT) didalam semua aspek kehidupan harian.Semua peralatan elektronik boleh dihubungkan kepada internet melalui jaringan komputer.Apakah bahan yang paling sesuai untuk membuat kabel?
Aluminium
Aluminium
Copper
Kuprum
Fibre optics
Gentian optik
Fibre glass
Gentian kaca
What type of glass is formed when calcium carbonate is heated with silicon dioxide?
Apakah jenis gelas yang terhasil apabila kalsium karbonat dipanaskan dengan silikon dioksida?
Fused glass
Kaca terlakur
Borosilicate glass
Kaca borosilikat
Lead glass
Kaca Plumbum
Soda lime glass
Kaca soda kapur
The following are the characteristics of substance
needed to produce a new product in industry.
Berikut ialah ciri-ciri bahan yang diperlukan untuk menghasilakan produk baru di dalam industri
• No electrical resistance
Tiada rintangan elektrik
• Function under the extremely low temperature
Berfungsi di bawah suhu yang sangat rendah
• Transfer information with high speed
Memindahkan maklumat pada kelajuan yang tinggi
What are the substances that can be used to produce the product?
Apakah bahan yang boleg digunakan untuk menghasilkan produk itu?
I Ceramic/ seramik
II Superconductor / superkonduktor
III Fibre optic / gentian optik
IV Fibre glass / gentian kaca
I and III only
I and IV only
II and III only
II and IV only
Diagram 1 shows several products of a substance. Which of the following is the substance?
Rajah 1 menunjukkan beberapa produk yang dihasilkan dengan suatu bahan .Antara berikut manakah bahan tersebut?
Optic glass
Kaca optik
Fused glass
Kaca terlakur
Fibre glass
Gentian kaca
Photochromic glass
Kaca fotokromik
Ceramic is suitable to be used for making engine block because ceramic ...
Seramik sesuai digunakan untuk membuat blok enjin kerana seramik...
is inert towards chemical substances.
lengai terhadap bahan kimia
is a good electrical insulator.
penebat haba yang baik
can withstand high temperature.
boleh menahan suhu yang tinggi
can withstand strong compression.
boleh menahan tekanan yang tinggi
Which of the following is wrong about duralumin?
Manakah antara berikut salah tentang duralumin?
Light
Ringan
Resistant to corrosion
Tahan kakisan
Main component is tin
Komponen utama ialah stanum
Strong
kuat
Glass Y consists of
Kaca Y mengandungi
Silica / silika
Lead(II) oxide / Plumbum(II) oksida
Sodium oxide / natrium oksida
What is glass Y?
Apakah kaca Y?
Lead crystal glass
Kaca plumbum
Borosilicate glass
Kaca borosilikat
fused silica glass
Kaca silika terlaku
soda lime glass
Kaca soda kapur
Which of the following is made from borosilicate
glass?
Antara berikut yang manakah diperbuat daripada kaca borosilikat?
Cooking utensils
Peralatan memasak
Decorative glass
Kaca hiasan
Mirrors
Cermin
Optical lens
Lensa optik
Alloy of copper is harder than pure copper. Which statement is correct about the alloy?
Aloi bagi kuprum lebih keras daripada kuprum tulen.Pernyataan manakah benar tentang aloi?
Atoms are orderly arranged
Atomnya tersusun dengan teratur
Spaces between atoms decrease
Ruang antara atom berkurang
Attractive forces between copper atom decrease
Daya tarikan antara atom kuprum berkurang
Layers of copper atoms are more difficult to slide over one another
Lapisan atom kuprum lebih sukar untuk menggelongsor antara satu sama lain
Which alloy is correctly matched to its uses?
Manakah betul padanan aloi dan kegunaannya?
Brass - Making musical instruments
Loyang - untuk membuat alatan muzik
Bronze - Making of surgical instruments
Gangsa - Membuat alat pembedahan
Stainless steel - Making of monuments
keluli nirkarat - membuat tugu
Duralumin - Making of the body of submarines
Duralumin - membuat dinding kapal selam
Choose the type of glass that is suitable to make the lid of the pot.
Pilih kaca yang paling sesuai untuk membuat penutup periuk
Fused silica glass
Kaca silika terlakur
Borosilicate glass
Kaca borosilikat
Soda lime glass
Kaca soda kapur
Lead crystal glass
Kaca plumbum
A student was dazzled by the sunlight while doing revision. She wants to change the window glass to solve the problem. The new window glass should contain...
Seorang murid berasa silau disebabkan cahaya matahari ketika membuat ulangkaji.Kaca tingkap yang baru mesti mengandungi...
Lead(II) oxide and silver chloride
Plumbum(II) oksida dan argentum klorida
Silver chloride and boron oxide
Argentum klorida dan boron oksida
Boron oxide and lead glass
Boron oksida dan kaca plumbum
Copper(I) chloride and silver chloride
Kuprum(I) klorida dan argentum klorida
Which of the following is composite material?
Manakah antara berikut ialah bahan komposit?
Soda lime glass
Kaca soda kapur
Borosilicate glass
Kaca borosilikat
Lead crystal glass
Kaca plumbum
Photochromic glass
Kaca fotokromik
Name the alloy that is used to make the musical instrument.
Namakan aloi yang digunakan untuk membuat peralatan muzik
(a)
Name the substance that is suitable to make the claypot.
Namakan bahan yang sesuai untuk membuat periuk tanah liat
(a)
The National Monument was built in 1966 using alloy which is consisting of
Tugu negara dibina pada tahun 1966 menggunakan aloi yang mengandungi
Copper and tin
kuprum dan stanum
Tin and iron
Stanum dan ferum
Zinc and copper
Zink dan kuprum
Aluminium and copper
Aluminium dan kuprum
This composite material is a good building material in construction of bridges and buildings.
Name this composite material.
Bahan komposit ialah bahan yang baik dalam pembinaan jambatan dan bangunan.Namakan bahan komposit tersebut
(a)
Name the composite material that is used to make the helmet.
Nama bahan komposit yang digunakan untuk membuat topi keledar
(a)
The diagram below shows the orderly arrangement of atoms in a metal. The arrangement of atoms makes a metal ductile because
Rajah menunjukkan susunan atom logam yang tersusun.Susunan atom membuatkan logam bersifat mulur kerana
The forces of attraction between the metal atoms are very weak
Daya tarikan antara atom logam sangat lemah
The forces of attraction between the metal atoms are very strong
Daya tarikan antara atom logam sangat kuat
The forces of attraction between the layers of atoms are very strong
Daya tarikan antara lapisan atom sangat kuat
The layers of metal atoms can slide over one another when force is applied
Lapisan atom logam boleh menggelongsor antara satu sama lain apabila daya dikenakan
