Question

-लोहे पर कोबाल्ट का परत क्यों चढा़या जाता है।​

Answer 1

Answer:

अरे पर को बोल्ट कपड़ा किस लिए चढ़ाया जाता है ताकि उसमें जंक ना लगे

Answer 2

Answer:

on iron a Cobalt's skin is laid down because it prevents rusting of iron and makes it durable for longer period of time

Explanation:

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