WorksheetsChapter 8 : Manufactured Substances in Industry
Total questions: 15
Worksheet time: 8mins
The information above is about alloy B. What is B?
Pewter
Brass
Duralumin
Stainless steel
Table shows the depth of dent after a weight is dropped on the surface of two different materials. What is X?
Steel
Aluminium
Bronze
Pewter
What is the effect of alloying pure gold?
Become less hard
Easier to be shaped
Easier to melt
Does not corrode
Diagram shows the arrangements of atoms in four metals. Arrange the metals from the most easily malleable to the most difficult.
R, P,Q, S
Q, P, R, S
Q, S, P, R
S, Q, R, P
The body of aero plane shown in the figure above is made of alloy X. What is alloy X?
Pewter
Brass
Bronze
Duralumin
Which statement explains why alloy is harder than pure metal?
Atom of other metal reacts with atom of pure metal
Atom of other metal reduces atom of pure metal from sliding
Bonds between atom in alloy is stronger
Density of alloy is higher
Silicon dioxide is the major component of glass. What type of glass is formed when calcium carbonate is heated with silicone dioxide?
Fused glass
Borosilicate glass
Lead crystal glass
Soda lime glass
A student was dazzled by the sunlight while doing her revision as shown in diagram above. She wanted to change the window glass to solve the problem. The new window glass should contain substance T. What is substance T?
Lead (II) oxide
Boron oxide
Silver chloride
Calcium carbonate
Diagram shows a pressure cooker. What is substance M?
Lead glass
Photochromic glass
Soda lime glass
Borosilicate glass
The diagram shows porcelain pots. What are the substance and the major component used in the making of porcelain pots?
Glass-Cupronickel
Ceramic- Aluminium silicate
Polymer- Silicon dioxide
Alloy- Iron (III) oxide
Which of the following is a composite material?
Soda lime glass
Borosilicate glass
Lead crystal glass
Photochromic glass
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
Aluminium
Fibre optic
Superconductor
Diagram shows the formation of a composite material. What is material X?
Fibre glass
Optical fibre
Superconductor
Reinforced concrete
Glass and ceramic have some similar properties. Which of the following properties is not shared by glass and ceramics?
Low melting point
Not reactive chemically
Hard and brittle
Heat and electrical insulator
State three inorganic materials that are used in the making of advance ceramics.
(a)
