Chemistry · Metals and Non-metals
जस्ती लोहे (गैल्वेनाइज्ड आयरन) की चादरों पर निम्नलिखित में से किस धातु की सुरक्षात्मक परत चढ़ाई जाती है?
- 1क्रोमियम
- 2जिंक (जस्ता)✓
- 3लेड (सीसा)
- 4टिन
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जिंक (जस्ता)
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