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- 1. Multiple Choice
The diagram 1 shows an experiment carried out to compare the formation of rust by
pure iron and an alloy iron.
Predict the correct observation after three days.
Iron nail does not rust.
Iron nail becomes more shiny.
Steel nail does not rust.
Steel nail becomes rusty.
- 2. Multiple Choice
Which of the following correctly describes the arrangement of pure metallic particles?
Orderly
Loosely packed
Unevenly spread
Difficult to slide over
- 3. Multiple Choice
The properties of alloy P are listed above. Alloy P can be used to make
cars
trumpet
bridges
aeroplane
- 4. Multiple Choice
Which diagram shows the structure of an alloyl?
- 5. Multiple Choice
The main component in clay is
aluminium silicate
silica
silicon dioxide
lead oxide
- 6. Multiple Choice
These apparatus are made from
Lead crystal glass
Soda-lima glass
Fused silica glass
Borosilicate glass
- 7. Multiple Choice
Lead crystal glass are made from composition of
(Choose the correct answers)
Silica
Boron oxide
Calcium carbonate
Sodium oxide
Lead (II) oxide
- 8. Multiple Choice
Ceramic can be used to make these except
bulb
tableware
tiles
dentures
- 9. Multiple Choice
The following information is about an alloy.
What is the alloy?
Duralumin
Superconductor alloy
Pewter
Steel
- 10. Multiple Choice
Which of the following is NOT a characteristic of glass?
Hard and brittle
Transparent
Porous
Does not conduct heat and electricity
- 11. Multiple Choice
Starch is made from monomers of
cellulose
glucose
amino acids
isoprene
- 12. Multiple Choice
Polythene is made from monomers of
ethene
methyl methacrylate
chloropylene
plastic
- 13. Multiple Choice
This diagram shows the process of
polymerisation
sublimation
depolymerisation
addition
- 14. Multiple Choice
Which of the following is a natural polymer?
Nylon
Protein
Glucose
Amino acid
- 15. Multiple Choice
Natural rubber is made up of many units of
glucose
neoprene
isoprene
methyl methacrylate
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