Question 1
Which physical properties are typical of all metals?
1 good heat conductivity
2 low density
3 malleability
A
1 and 2
B
1 and 3
C
2 and 3
D
3 only
Question 2
Uses of metals depend on their properties.
Which property is necessary for the use given?
use of the metal
property of the metal
car bodies
ductile
cutlery
conducts heat
food containers
resists corrosion
overhead electrical cables
high density
Question 3
Cupronickel is used to make coins.
The arrangement of atoms in cupronickel is shown.
Which kind of substance is cupronickel?
A
an alloy
B
an isotope
C
a compound
D
a transition element
Question 4
Which word equation represents a reaction that occurs?
A
sodium oxide + carbon → sodium + carbon dioxide
B
sodium oxide + iron → sodium + iron (II) oxide
C
iron(II) oxide + copper → iron + copper(II) oxide
D
iron(III) oxide + carbon → iron + carbon dioxide
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