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Subjects
Science State Board
Class 10
Periodic Classifications of elements
Alloys
11.
Alloying and corrosion prevention
Exercise condition:
4
m.
Choose the correct answers:
1.
Select the correct reason for alloying.
To improve hardness
To improve malleable
To improve entropy
To improve softness
2.
Select the correct corrosion prevention method.
Electroplating
Spinning
Centrifugation
Chelation
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