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Unit 8: Manufactured Substance in Industry

Authored by Nilam Bhd

Chemistry

10th Grade

Used 385+ times

Unit 8: Manufactured Substance in Industry
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which of the following true about alloy?

Antara berikut, yang manakah benar mengenai aloi?

Alloy is a mixture of two or more elements with a certain fixed/specific composition

Aloi ialah campuran dua atau lebih unsur dengan komposisi yang tetap

It is made up of either metal or semi metal compounds

Terdiri daripada sebatian logam atau sebatian separa logam

Combination of two or more non-homogeneous materials

Gabungan dua atau lebih bahan yang bukan homogen

The major component in the mixture is a semi metal

Komponen utama bagi campuran itu adalah separa logam.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following is not the purpose of alloying?

Antara berikut, yang manakah bukan sebab utama pengaloian?

Chemically inert

Lengai secara kimia

To increase hardness and strength

Untuk meningkatkan kekerasan dan kekuatan

To resist corrosion

Untuk menghalang hakisan

To improve appearance

Untuk memperbaiki rupa

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Silicon dioxide, SiO2 which exist naturally in sand.

Silikon dioksida, SiO2 yang wujud semula jadi dalam pasir.

True / Betul

False / Salah

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following true about ceramics?

Antara berikut, yang manakah benar tentang seramik?


I. Organic non-metallic solid

Pepejal bukan logam organik

II. Inorganic non-metallic solid

Pepejal bukan logam inorganik

III. Example of compounds that formed ceramics is aluminium oxide

Contoh sebatian yang membentuk seramik adalah aluminium oksida

IV. Conduct electricity and heat

Boleh mengkonduksi elektrik dan haba

I, III and / dan IV

II, III and / dan IV

II and / dan III

III and / dan IV

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is advance ceramic?

Antara berikut, bahan yang manakah seramik termaju?

Borosilicate / Barosilikat

Tin / Stanum

zirconium oxide / zirkonia oksida

Duralumin / Duralumin

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Composite materials are formed by one non-homogeneous material.

Bahan komposit terdiri daripada satu bahan yang bukan homogen.

True / Betul

False / Salah

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The reinforce material is __________ while he matrix material is __________.

Bahan pengukuhan adalah __________ manakala bahan matriks adalah __________.

lignin; cellulose fibre

lignin; gentian selulosa

cellulose fibre; lignin

gentian selulosa; lignin

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