WorksheetsReaction of metals with oxygn
Total questions: 7
Worksheet time: 5mins
Name
Class
Date
1.
In a word equation, the starting chemicals are called...
a)
reactants
b)
products
c)
ingredients
2.
Which of the following reactions produces calcium oxide?
a)
calcium and oxide
b)
calcium and water
c)
calcium and air
d)
calcium and oxygen
3.
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
4.
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.
5.
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.
6.
What was the chemical name given to Rust ?
a)
Carbon
b)
Iron Oxide
c)
Iron Oxygen
d)
Magnesium Oxide
7.
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.
100 %
