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Science TNSB Mentoring
Class 10
Periodic classification of elements
Alloys
4.
Alloying and corrosion prevention
Question:
4
m.
Choose the correct answers:
1.
Select the correct reason for alloying.
To change state and smell
To change appearance and colour
To change smell and colour
To change appearance and smell
2.
Select the correct corrosion prevention method.
Electrodizing
Anodizing
Cathodizing
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