Solution:
(a) Gold and platinum are mostly found in the free state in nature.
(b) Sodium and Magnesium are almost always found together.
(c) Iron (III) oxide; haematite ore contains Fe2O3.
Solution:
(a) Gold and platinum are mostly found in the free state in nature.
(b) Sodium and Magnesium are almost always found together.
(c) Iron (III) oxide; haematite ore contains Fe2O3.