Question

which of the folowing is a mixed metallic oxide a) feO b) Fe2O3 c) Fe3O4 d) PbO​

Answer 1

Answer:

Pb

3

O

4

is a mixture of PbO and PbO

2

⇒Pb

3

O

4

=2PbO+1PbO

2

* In 3 parts PbO

2

is 1 parts.

PbO

2

is 33.3% of Pb

3

O

4