Chemistry · PYQ NEET UG 2020
हिन्दीIdentify the CORRECT statement from the following:
Correct answer · Option 1
Blister copper has blistered appearance due to evolution of \( \mathrm{CO}_2 \).
Explanation
Blister copper gets its blistered appearance due to the evolution of \( \mathrm{SO}_2 \) gas during the conversion of copper matte. Nickel is refined by Mond's process. Pig iron is brittle and cannot be moulded easily (cast iron is used for moulding). Wrought iron is the purest form of iron.