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Science Test Space
Class 10
Periodic Classifications of elements
Metallurgy of Aluminium, Copper and Iron
16.
To find the required answer: Copper
Question:
6
m.
Find what is A, B, and C.
1.
A has a high lustre, in various temperatures, A reacts with oxygen to forms two types of oxides, B and C. Find what A, B and C is.
A.
Iron
Copper pyrites
Copper
Aluminium
B.
\(2Al_2OH\)
\(CuO\)
\(Al(OH)_3\)
\(Fe_2O_3\)
C.
\(2Al_2OH\)
\(Al(OH)_3\)
\(Cu_2O\)
\(Cu_2O_4\)
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