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WorksheetsMetals & Reactivity
Total questions: 17
Worksheet time: 11mins
Name
Class
Date
1.
What element in air reacts with Iron to make Iron Oxide
a)
Carbon
b)
Oxigen
c)
Oxygen
d)
Nitrogen
2.
What gas is produced when a metal reacts with an acid?
a)
Water vapour
b)
Acidic gas
c)
Hydrogen
d)
Nitrogen
3.
What are the reactants for the reaction of metal with acid?
Metal + acid ---> metal salt + hydrogen
Metal + acid ---> metal salt + hydrogen
a)
Hydrogen
b)
Metal salt
c)
Metal
d)
Metal and acid
4.
Which salt will be produced if magnesium react with hydrochloric acid?
a)
Magnesium oxide
b)
Magnesium sulfate
c)
Magnesium sulfide
d)
Magnesium chloride
5.
What are the products for the reaction of metal with acid?
Metal + acid ---> metal salt + hydrogen
Metal + acid ---> metal salt + hydrogen
a)
Metal salt and hydrogen
b)
Metal salt
c)
Metal
d)
Acid
6.
How are metal oxides formed?
a)
When metals react with oxide.
b)
When metals react with water.
c)
When metals react with air.
d)
When metals react with oxygen.
7.
Which of the following is the product of the reaction of aluminium and oxygen?
a)
aluminium oxide.
b)
metal oxide
c)
aluminium ore
d)
aluminium and oxygen
8.
Which of the following defines oxidation?
a)
A chemical reaction where a substance gains oxygen.
b)
A chemical reaction where a substance loses oxygen.
c)
A chemical reaction where a substance loses a metal.
d)
A chemical reaction where a substance gains a metal.
9.
Which of the following is an example of an oxidation reaction?
a)
Ca + O2 --> CaO
b)
Na2O + H2O --> NaOH
c)
Fe2O3 + CO --> Fe + CO2
d)
All of the choices are oxidation reactions.
10.
The rusting of iron is an example of
a)
a reduction reaction.
b)
an oxidation reaction.
c)
a reaction of iron with water.
d)
a reaction that dissolves iron.
11.
The least reactive in oxygen in the list is
a)
iron
b)
zinc
c)
copper
d)
lead
12.
Which metal is more reactive than calcium?
a)
magnesium
b)
potassium
c)
silver
d)
aluminum
13.
What will be the result of the following:
Li + NaF ->
Li + NaF ->
a)
Li will replace F
b)
Na will replace Li
c)
Li will replace Na
d)
no reaction will occur
14.
A displacement (single replacement) reaction will occur when...
a)
a more reactive metal displaces a less reactive metal from its compound.
b)
A less reactive metal displaces a more reactive metal from its compound
c)
Displacement only occurs when two of the same metals are reacted
d)
Displacement reactions will only occur in metals above iron in the reactivity series
15.
What do (s), (g), (l), (aq) mean in a reaction?
a)
solute, gas, liquid, aqueous
b)
solid, gas, liquid, aqueous
c)
solute, gel, liquid, aqueous
d)
solid, gel, liquid, aqueous
16.
What is the definition of an ore?
a)
Ores are naturally occurring rocks that contain metal or metal compounds in sufficient amounts to make it financially worthwhile extracting them.
b)
Ores are naturally occurring rocks that contain oxygen or oxide compounds in sufficient amounts to make it financially worthwhile extracting them.
c)
Ores are naturally occurring rocks that contain sulfur or sulfide compounds in sufficient amounts to make it financially worthwhile extracting them.
d)
Ores are naturally occurring rocks that contain hydrogen or hydroxide compounds in sufficient amounts to make it financially worthwhile extracting them.
17.
You can displace a metal from its ore using carbon if...
a)
the metal is an oxide
b)
the metal is less reactive than carbon
c)
the metal is a sulfide
d)
the metal is more reactive than carbon
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