Coleridge & Parry School
Science Department
Test on Alloys & Rusting
1.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
What is an Alloy?
(2)
Give TWO reasons why alloys are used instead of the pure metal.
(2)
Name the elements used to make the following alloys.
(2,2)
(i) Bronze
(iii) Solder
State TWO uses of Bronze.
(2)
Why is solder an important alloy?
(2)
Steel is an alloy of iron. Besides iron name the other element present in steel. (1)
What type of steel is used to make cooking pans and cutlery? (1)
2.
Magnalumin is an alloy used to make aircraft body parts.
(a) Name the TWO elements used to make magnalumin. (2)
(b) State TWO properties of the alloy that makes it suitable to its use. (2)
3.
John is a gardener and noticed a brown flaky material on his garden tools.
(i)
What is the name of the brown flaky material? (2)
(ii)
Write a worded equation for the formation of the brown flaky material (3)
(iii)
State TWO ways by which John can protect his tools (2)
TOTAL 25 MARKS
Coleridge & Parry School
Science Department
Test on Alloys & Rusting
1.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
What is an Alloy?
(2)
Give TWO reasons why alloys are used instead of the pure metal.
(2)
Name the elements used to make the following alloys.
(2,2)
(i) Bronze
(iii) Solder
State TWO uses of Bronze.
(2)
Why is solder an important alloy?
(2)
Steel is an alloy of iron. Besides iron name the other element present in steel. (1)
What type of steel is used to make cooking pans and cutlery? (1)
2.
Magnalumin is an alloy used to make aircraft body parts.
(c) Name the TWO elements used to make magnalumin. (2)
(d) State TWO properties of the alloy that makes it suitable to its use. (2)
3.
John is a gardener and noticed a brown flaky material on his garden tools.
(iv)
What is the name of the brown flaky material? (2)
(v)
Write a worded equation for the formation of the brown flaky material (3)
(vi)
State TWO ways by which John can protect his tools (2)
TOTAL 25 MARKS