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WorksheetsQuiz_Manufactured Substances in Industry
Total questions: 30
Worksheet time: 16mins
The main substance in the making of all types of glass is ...
calcium carbonate.
sodium carbonate.
lead(II) oxide.
silicon dioxide.
What properties are involved in the making of car bumpers?
I Light
II Electrical insulator
III Easy to mould
IV Heat resistant
I and II only
I and III only
II and IV only
III and IV only
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?
Aluminium
Copper
Fibre optics
Fibre glass
Which of the following is the chemical reaction that occurs when photochromic glass darkens?
AgCl ⟶ Ag⁺ + Cl-
Ag+ + e- ⟶ Ag
Clˉ + UV ⟶ Cl
Cl + e- ⟶ Clˉ
Sulphuric acid is manufactured in industry through the Contact Process involving three stages. Which stage is correct?
Sulphur trioxide gas is dissolved in concentrated sulphuric acid
Sulphur dioxide gas is dissolved in concentrated sulphuric acid
Sulphur trioxide gas is dissolved in water
Sulphur dioxide gas is dissolved in water
Which alloy is correctly matched to its uses?
A
B
C
D
Alloy of copper is harder than pure copper. Which statement is correct about the alloy?
Atoms are orderly arranged
Spaces between atoms decrease
Attractive forces between copper atom decrease
Layers of copper atoms are more difficult to slide over one another
Diagram 4 shows an examples of food packaging. Which of the following explains why the plastic packaging pollutes the environment?
I Not easily biodegradable
II Release poisonous gases
III Causes the formation of algae
IV Causes the drainage system and flash flood
I and II only
II and III only
I, II and IV only
I, III and IV only
Which pair of monomer and polymer is correct?
Pasangan monomer dan polimer manakah yang betul?
A
B
C
D
What type of glass is formed when calcium carbonate is heated with silicon dioxide?
Fused glass
Borosilicate glass
Lead crystal glass
Soda lime glass
The following are the characteristics of substance
needed to produce a new product in industry.
• No electrical resistance
• Function under the extremely low temperature
• Transfer information with high speed
What are the substances that can be used to produce the product?
I Ceramic
II Superconductor
III Fibre optic
IV Fibre glass
I and III only
I and IV only
II and III only
II and IV only
Which of the following metals can be used to catalyse the synthesis of ammonia?
Aluminium
Iron
Nickel
Platinum
Diagram 1 shows several products of a substance. Which of the following is the substance?
Optic glass
Fused glass
Fibre glass
Photochromic glass
Diagram 2 shows the structural formula of a polymer. What is the structural formula of its monomer?
A
B
C
D
Which of the following is not true about polymerisation?
Monomers are chemically joined together to form long-chained molecules.
The properties of polymers are different from its monomers.
The empirical formulae of addition polymers and its monomers are the same.
The molecular formulae of addition polymers and its monomers are the same.
In the Contact process, the quantity of sulphur trioxide can be increased by...
using vanadium(V) oxide as catalyst.
decreasing the pressure of the reaction mixture.
adding more sulphur dioxide.
increasing the temperature of reaction.
Table 1 shows the elements in some common alloys. Which of the following are the correct pairs?
I and II
I and III
II and III
II and IV
Ammonium salts are widely used as fertilisers. Which of the following ammonium salt will provide the highest percentage of nitrogen for plant growth?
1 mol of NH4NO2
1 mol of (NH4)3PO4
2 mol of NH4Cl
2 mol of (NH4)2SO4
The manufacture of sulphuric acid does not involve...
S + O2 → SO2
2SO2 + O2 → 2 SO3
SO3 + H2O → H2SO4
SO3 + H2SO4 → H2S2O7
In the Haber process, nitrogen gas reacts with hydrogen gas to produce ammonia. Which of the following are the correct conditions for the Haber process?
A
B
C
D
Stainless steel is harder than pure tin. This is because the atoms in stainless steel…
are arranged in an orderly manner.
are not easy to bend.
are ductile.
do not slide easily over one another.
Which of the following substances is a natural polymer?
Polythene
Polypeptide
Polyvinyl chloride
Polypropene
Diagram 3 shows the arrangement of atoms in an alloy. Which of the following is not a function of the foreign atoms in the alloy?
Increase the malleability of the pure metal
Increase the ductility of the pure metal
Decrease the density of the pure metal
Decrease the hardness of the pure metal
In order to produce a glass that is more resistant to heat and ceramics, substance X is added to soda lime glass in the manufacturing process. What is X?
Boron oxide
Lead(II) oxide
Sodium carbonate
Calcium carbonate
Calculate the percentage by mass of nitrogen in ammonium sulphate?
46.67%
35.00%
21.21%
12.07%
Pewter is used for making trophies. The main metal in pewter is ...
Tin
Copper
Zinc
Aluminium
Which of the following gases causes acid rain?
Nitrogen
Ozone
Carbon monoxide
Sulphur dioxide
Ceramic is suitable to be used for making engine block because ceramic ...
is inert towards chemical substances.
is a good electrical insulator.
can withstand high temperature.
can withstand strong compression.
Which of the following elements are suitable to be used for the formation of alloy to make racing bicycles which are light and strong?
A
B
C
D
