Manufactured Substances in Industry

Which composite materials and its property is true? (Johor 2020, Q20)

• A

• B

• C

• D

Which of the following substance is the chemical used in the glass? (Melaka 2020, Q18)

• Boron oxide

• Lead(II) oxide

• Lead(II) chloride

• Silver chloride

Digital communication plays a very important role in modern living. Effective transmission of data, voices and images in a digital format requires a suitable material. What is the material?

• Copper

• Silicon

• Fibre optic

• Superconductor

Which pair is matched correctly between and the major component? (Penang 2020, Q15)

• Brass, Copper

• Pewter, Zinc

• Bronze, Tin

• Steel , Carbon

Diagram 2 shows a set of cookware usually used in the kitchen. Which of the following types of glass is suitable for making the cookware? (SPMRSM 2020, Q10)

• Fused glass

• Soda lime glass

• Lead crystal glass

• Borosilicate glass

Which of the following item is made from this alloy?

Material | Composition

Iron 74 %

Chromium 18 %

Carbon 8 %

(SPMRSM 2020, Q33)

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Which of the following is not made from composite substances? (SPMRSM 2020, Q11)

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Which diagram shows the arrangement of particles in an alloy? (Terengganu 2020, Q9)

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What is the property of ceramics that make them suitable to be insulating layers in the lining of furnaces? (Terengganu 2020, Q21)

• Chemically inert

• Heat insulator

• Hard and strong

• Electrical insulator

Which statement explains why alloys are harder than pure metal? (Johor 2020, Q31)

• Density of alloy is higher

• Bonds between atom in alloy is stronger

• Atom of other metal reacts with atom of pure metal

• Atom of other metal reduces atom of pure metal from sliding