1a. A
reactive metal can displace ('push out') a
reactive metal from one of its compounds (salt or oxide).
1b. However, a
reactive metal cannot displace a
reactive metal from one of its compounds.
2. The
a metal in the reactivity series, the more
placed metals it can
from their compounds.
3a. When magnesium powder is added to a
solution of copper sulphate the temperature
and the magnesium dissolves.
3b. The solution gradually becomes
and orange bits of
form.
3c. The
reactive magnesium has displaced the
reactive copper.
3d. complete: magnesium + copper sulphate ==>
+
4a. When aluminium powder is heated with iron oxide powder a
'firework' reaction happens, called the '
' reaction.
4b. The reaction is: aluminium + iron oxide ==>
+
,and is shown in the picture above.
4c. So much
is released that the iron melts, and this
reaction is used to
railway lines together.
multi-word fill quiz 9Fwf5 on "Patterns of reactivity"