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Subjects
Science CBSE
Class 10
Metals and non-metals
The extraction, classification and properties
12.
Metals with Oxygen
Exercise condition:
4
m.
Select the correct answers:
1
.
Lead oxide
:
Soluble in water
Insoluble in water
:
Acidic
Basic
2
.
\(Fe_3O_4\)
:
Formed at low a temperature
Formed at a medium temperature
Formed at a high temperature
:
Reacts with water
Does not react with water
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