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Worksheets7.5.2.R2 - Level 7 Objective Quiz - Prepositions
Total questions: 12
Worksheet time: 6mins
Aluminium is extracted by the electricity _____________ a special cell.
on
of
with
at
in
The bottom _____(1)_______ the cell is lined _______________ carbon.
on
of
with
at
in
The bottom _____________ the cell is lined _______(1)________ carbon.
on
of
with
at
in
This provides an anode. ________________ the top of the cell are graphite electrodes, which act as cathodes.
on
of
with
at
in
Two more substances are needed _____________ the process: copper and salt.
on
of
with
at
in
The aluminium is first alloyed with copper, then heated and poured _______________ the cell.
on
to
through
than
into
_____________ top of the alloy is a layer of molten salt.
on
to
through
than
into
This is lighter than the alloy, but heavier _______________ pure aluminium.
on
to
through
than
into
An electric current passes ________________ the alloy, between the anode and the cathode.
on
to
through
than
into
The aluminium is drawn _______(1)_________ the cathode and settles _____________ top of the salt.
on
to
through
than
with
The aluminium is drawn _________________ the cathode and settles _______(1)_______ top of the salt.
on
to
through
than
with
Periodically, the aluminium is drained off and cast _______________ shapes.
on
into
through
than
with
