railway RRB Group D Mock Test Series 2024-25 General Science Chemistry Chemical Reaction

લોખંડને કાટ લાગવાની પ્રક્રિયાને _____ કહેવાય છે.

1
રિડક્શન
2
ગેલ્વેનીકરણ
3
શોષણ
4
ક્ષારણ
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