WorksheetsCh 12: Metals
Total questions: 14
Worksheet time: 9mins
Match the physical property of the metal to its use related to the property.
used to make wires
ductile
used to make car bodies
malleable
used to make cooking pans
good conductor of heat
used to make ornaments
shiny
Select the correct chemical properties of metals.
react with steam to form metal hydroxide and hydrogen
react with cold water to form metal hydroxide and hydrogen
react with acids to form salt and hydrogen
a more reactive metal displaces a less reactive metal from its compound
Draw a diagram that represents an alloy.
When a different (a) is added, the (b) arrangement of the atoms in pure metal is disrupted by a few atoms of a (c) size of the other element. The layers of (d) can no longer slide over one another, making alloys harder and stronger.
Aluminium is ______________ in the reactivity series.
below magnesium
above sodium
below gold
between iron and copper
Iron reacting with steam produces ______________________.
iron oxide only
iron oxide and water
iron oxide and hydrogen
iron hydroxide only
Magnesium and hydrochloric acid produces ____________________.
magnesium chloride and hydrogen
no reaction
magnesium oxide and hydrogen
magnesium hydroxide and hydrogen
Copper and hydrochloric acid produces ____________________.
copper chloride and hydrogen
no reaction
copper oxide and hydrogen
copper hydroxide and hydrogen
The reaction of iron and copper (II) sulfate is an example of _______________.
thermal decomposition
displacement
neutralisation
combustion
Which metal will react explosively with dilute hydrochloric acid?
copper
magnesium
iron
sodium
Which metal will react very fast with dilute hydrochloric acid?
copper
magnesium
iron
sodium
Which metal will not react with hydrochloric acid to give off a gas?
copper
magnesium
iron
sodium
Select the correct chemical equation for the reaction of sodium with hydrochloric acid.
2Na + 2HCl -> 2NaCl + H2
Na + 2HCl -> NaCl2 + H2
Na + HCl -> NaCl + H
In which test-tube will the iron nails rust the most after a few days?
