Worksheetsmetal and alloys
Total questions: 8
Worksheet time: 4mins
Which of the following is not a property of most metals?
solid
brittle
strong
malleable
Which of the following statements is true?
Copper is used as a roof covering because it conducts heat well
Copper is used as a roof covering because it changes to a green colour.
Copper is used as a roof covering because it is malleable.
Copper is used as a roof covering because it is a good conductor of electricity.
A copper coin is shiny when it is new, but will eventually go black and dull. The two words which best describe this process are:
neutralisation and rusting.
rusting and corrosion
corrosion and oxidation.
oxidation and neutralisation
Which of the following metals is so reactive it is stored under oil?
aluminium
copper
magnesium
sodium
What must be present for iron to rust?
water and oxygen
oxygen alone
water alone
air alone
What is missing from the symbol equation below.
2Na + 2 → 2NaOH + H2
H2O
H2
HCl
H2SO4
Which of these pictures shows the particles in a solid, pure metal?
A small amount of tin is added to lead. Compared to lead the melting point of the mixture will be
unchanged
lower and less precise
higher and more precise
higher and less precise
