alleryआम्लाचा वापर करून धातूंवरील गंज काढण्याच्या प्रक्रियेला काय म्हणतात?
Aगॅल्व्हनायझिंग
Bॲनिलिंग
Cस्मेल्टिंग
Dपिकलिंग
Answer & Solution
Correct answer: D. पिकलिंग
गंज आणि क्षरण काढून टाकण्यासाठी धातूवर आम्लाने प्रक्रिया करण्याला पिकलिंग म्हणतात.
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