AP and TS EAMCET Engineering Model Paper 9
© examsiri.com
Question : 133 of 160
Marks:
+1,
-0
Select the correct statement(S)
(1) Composition of German silver is 25-40% Cu, 25-35% Zn and 40-50% Ni
(2) Compostion of Brass is 60% Cu and 40% Zn
(3) Calamine isZ n S O 4
(4)[ N i ( C O ) 4 ]
N i + 4 C O
(1) Composition of German silver is 25-40% Cu, 25-35% Zn and 40-50% Ni
(2) Compostion of Brass is 60% Cu and 40% Zn
(3) Calamine is
(4)
Go to Question: