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WorksheetsManufactured substances in industry
Total questions: 26
Worksheet time: 22mins
Which alloy is correctly matched to its uses?
Brass - Building of statues & monuments
Bronze - Making of surgical instruments
Stainless steel - Making of medals
Duralumin - Making of the body of aeroplane
Alloy of copper is harder than pure copper. WHY???
Atoms are orderly arranged.
Spaces between atoms decrease.
Attractive forces between copper atoms become weaker.
Layers of copper atoms are more difficult to slide.
What is the effect of alloying pure gold?
Become less hard
Easier to be shaped
Easier to melt
Does not corrode
The frame structure of a bridge can withstand corrosion and is able to withstand a heavy load.
What is the combination of substance to produce the frame?
Copper
Iron
Manganese
Carbon
Chromium
Choose the type of glass that is suitable to make the lid of the pot.
Fused silica glass
Borosilicate glass
Soda lime glass
Lead crystal glass
Compoment X is added to the glass in order to make the glass highly resistant to heat.
Name component X.
(a)
Name the major component in glass.
(a)
What is type of glass is formed when calcium carbonate is heated with the main component of glass?
Fused silica glass
Borosilicate glass
Lead crystal glass
Soda lime glass
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 contained the substances...
Lead(II) oxide
Silver chloride
Boron oxide
Copper(I) chloride
Digital communication plays an important role in modern living.
Name the material that transmits data, voices and images in digital format effectively.
Copper wire
Optical fibre
Fibre glass
Superconductor
The characteristics of manufactured substance in industry:
1) No electrical resistance
2) Function under extremely low temperature
3) Transfer information with high speed
Ceramic
Superconductor
Optical fibre
Fibre glass
Which of the following is composite material?
Soda lime glass
Borosilicate glass
Lead crystal glass
Photochromic glass
Name the alloy that is used to make the musical instrument.
(a)
Name the substance that is suitable to make the claypot.
(a)
The National Manument was built in 1966 using alloy which is consisting of
Copper
Tin
Zinc
Aluminium
Write down the name of the glass that is made up of only silica.
(a)
Soda-lime glass contains alkali metal ions.
Name the ion.
(a)
This composite material is a good building material in construction of bridges and buildings.
Name this composite material.
(a)
Optical fibres are used to transmit information and data in the form of (a) .
Choose the correct statements about optical fibre.
Transmit information using electrons
Transmits data in large capacity quickly
Occupy more spaces
Transmission of information not influenced by electromagnetic disturbances.
Name the composite material that is used to make the helmet.
(a)
Name the strengthening substance that is added to the glass (matrix substance) to make the glass sensitive to light.
(a)
Which of the following are alloys?
Silver
Bronze
Steel
Lead
What types of substances is used to make the ring?
Fibre glass
Ceramics
Bronze
Stainless steel
When chromium, nickel and carbon are added to iron, an alloy is produced. What is the properties of this alloy?
Has shiny surface
Resistant to corrosion
Has high tensile strength
Can be used to make monuments
Substance X is produced when a mixture of copper(II) oxide, barium oxide and yttrium oxide is heated up. Name substance X.
(a)
