Chemistry
Name the constituents of:
(a) Duralumin
(b) Solder
(c) Bronze
(d) Brass
Metallurgy
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Answer
(a) Aluminium (95%), copper (4%), magnesium (0.5%) and manganese (0.5%).
(b) Lead (50%) and tin (50%).
(c) Copper (80%), tin (18%) and zinc (2%).
(d) Copper (60-70%) and zinc (40-30%)
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