Name the alloys of zinc. State the composition, properties and uses of these alloys.

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Solution

$\begin{matrix} A l l o y s & C o m p o s i t i o n & P r o p e r t i e s & U s e s B r a s s & 60 - 70 % C u, 30 - 40 % Z n & M a l l e a b l e a n d d u c t i l e & D e c o r a t i v e h a r d w a r e, u t e n s i l s B r o n z e & 80 % C u, 18 % S n, 2 % Z n & H a r d a n d e a s i l y c a s t & M e d a l s G e r m a n s i l v e r & 50 % C u, 30 % Z n, 20 % N i & H a r d n e s s, t o u g h n e s s a n d r e s i s t a n c e t o c o r r o s i o n & D e c o r a t i v e a r t i c l e s B e l l m e t a l & 78 % C u, 22 % S n & S o n o r o u s & B e l l s, g o n g s \end{matrix}$

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Name the alloys of zinc. State the composition, properties and uses of these alloys.

AlloysCompositionPropertiesUsesBrass60−70% Cu,30−40% ZnMalleable and ductileDecorative hardware,utensilsBronze80% Cu,18% Sn,2% ZnHard and easily castMedalsGerman silver50% Cu,30% Zn,20% NiHardness,toughness and resistance to corrosionDecorative articlesBell metal78% Cu,22% SnSonorousBells,gongs