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Subjects
Science State Board
Class 10
Periodic Classifications of elements
Metallurgy of Aluminium, Copper and Iron
13.
To find the required answer: Aluminium
Exercise condition:
6
m.
Find what is A, B, and C.
1.
A has a melting point of \(660\)°C, A reacts with caustic soda alkalis to forms B and C gas. Find A, B and C.
A.
Copper pyrites
Aluminium
Iron
Copper
B.
\(2NaAlO_2\)
\(Cu(OH)_4\)
\(Al(OH)_3\)
\(2Al_2OH\)
C.
\(N_2\)
\(Fe_2O_3\)
\(3H_2\)
\(2SO_3\)
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