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- 1. Multiple Choice
Which of the following groups consists of rusty objects?
nail, key, board and marble
nail, marble. needle and screw
nail, key, needle and screw
Marble, rubber band and clothes
- 2. Multiple Choice
The diagram shows a bicycle.
Which parts will get rusty if they are exposed to the water and air?
J, L and M
K and M
L and M
J and L
- 3. Multiple Choice
The diagram shows an investigation about rusting.
R - The iron nail will rust
S -The iron nail not rust
T - The iron nail will float on the water
U- The iron nail will change the colour
Which of the following will occur after a few days?
R and T
S and T
R and U
S and U
- 4. Multiple Choice
In which container the nail will rust the fastest?
A
B
C
D
- 5. Multiple Choice
The diagram shows an object.
Which of the following objects can be
grouped in the same group as the object
in the picture?
Slippers
Rattan basket
Thumb tack
Garbage plastic
- 6. Multiple Choice
The table shows the results of an investigation
by a group of Year 5 Zircon pupils.
What is the conclusion that can be made
from the results of this investigation?
Rusty objects are made of iron.
Non-rusty objects are made of iron.
Rusty objects are brownish colour.
Rusty objects are made of plants.
- 7. Multiple Choice
An experiment has been carried out by a group of pupils. The results of the
experiment are recorded in Table 2.
What can be concluded from this experiment?
Nail X did not rust because exposed to the air and water.
Nail Y rusts because exposed to the air and water
Nail X did not rust because exposed to the oil layer.
Nail Z did not rust because exposed to water.
- 8. Multiple Choice
Objects that rust are made of
aluminium
gold
iron
plastic
- 9. Multiple Choice
A reddish-brown layer on the surface of an iron object is called
red paint
red dirt
rust
brown rust
- 10. Multiple Choice
Choose an object that can rust.
razor blade
straw
dress
aluminium pot
- 11. Multiple Choice
What are the factors that cause rusting?
presence of water and oil
presence of water and carbon dioxide
presence of boiled water and oxygen
presence of water and oxygen
- 12. Multiple Choice
How do you prevent a bicycle chain from rusting?
apply oil or grease
painting
plating iron with a layer of non rusty metals
coating with plastic
- 13. Multiple Choice
How do you prevent this food can from rusting?
painting
apply oil or grease
coating with plastic
plating with non rusty metal
- 14. Multiple Choice
Which nails will rust after one week?
There are more than one answers.
A
B
C
D
- 15. Multiple Choice
What is the function of the oil layer in test tube C?
prevent the air from going out
prevent the air from going inside the test tube
absorbs the air in the water
protect the nail from rusting
- 16. Multiple Choice
Anhydrous calcium chloride is used to _______________
absorbs moisture and makes the condition inside the test tube dry
absorbs salt and makes the condition inside the test tube dry
absorbs temperature and makes the condition inside the test tube dry
absorbs oil and makes the condition inside the test tube dry
- 17. Multiple Choice
These are the characteristics of rusty objects except:
have rough surface
look reddish-brown
brittle
look shiny and beautiful
- Answer choicesTagsAnswer choicesTags