Identify the correct statements among the
following.
(i) A piece of wood is lighter than water.
(ii) Cotton will float on water if placed on
wax paper.
(iii) An equal volume of aluminium will be
heavier than iron.
(iv) An iron nail will sink in water.
A (ii) and (iii) only
B (ii), (iii) and (iv) only
C (i), (ii) and (iv) only
D (i), (ii), (iii) and (iv)