Question

When the bar magnet is rolled over mixture 'A' of iron and sulphur over the compound 'B' Iron sulphide, which of the following observation is incorrect ?
(a) Mixture 'A' is heterogeneous
(b) Compound 'B' is homogeneous
(c) Iron clings to the magnet from mixture 'A'
(d) Iron clings to the magnet from compound 'B'

CBSE Class IX Science VSA (1 Mark)

Answer 1

(d) Iron is a magnetic material (Compounds cannot be separated by physical methods)