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Subjects
Science State Board
Class 10
Periodic Classifications of elements
Alloys
12.
Textbook and previous objective type questions
Exercise condition:
4
m.
Choose the correct answers:
1.
The components of duraluminium are
(Al, Mg, Mn, Cu)
(Al, Mg, Mn, Ce)
(Al, Ag, Mn, Cu)
(Al, Mg, Mn, Ce)
2.
The process of coating the surface of metal with a thin layer of zinc is called __________.
Molding
Surface coating
Alloying
Galvanization
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