1. Wrought iron is impure iron with 4% carbon. 2. Blister copper has blistered appearance due to evolution of CO ₂ . 3. Vapour phase refining is carried out for Nickel by Van Arkel method. 4. Pig iron can be moulded into a variety of shapes.

Answer: 4. Pig iron can be moulded into a variety of shapes. Check each statement. (1) Wrought iron is the purest form of iron (about 0.2% carbon), not 4%. Wrong. (2) Blister copper gets its appearance from escape of SO₂ , not CO₂ . Wrong. (3) Nickel is refined by the Mond process; Van Arkel is for Zr and Ti. Wrong. (4) Pig iron (about 4% carbon) is cast into moulds in many shapes. Correct.

Topic: Transition elements: configuration, occurrence and characteristics· d- and f-Block Elements

Identify the correct statement from the following :

1. Wrought iron is impure iron with 4% carbon.

2. Blister copper has blistered appearance due to evolution of CO\(_2\).

3. Vapour phase refining is carried out for Nickel by Van Arkel method.

4. Pig iron can be moulded into a variety of shapes.

Doubtly Asked 30 Oct 2026 NEET UG 2020 neet Save WhatsApp Report

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Answer: 4. Pig iron can be moulded into a variety of shapes.

Check each statement.

(1) Wrought iron is the purest form of iron (about 0.2% carbon), not 4%. Wrong.
(2) Blister copper gets its appearance from escape of \(\mathrm{SO_2}\), not \(\mathrm{CO_2}\). Wrong.
(3) Nickel is refined by the Mond process; Van Arkel is for Zr and Ti. Wrong.
(4) Pig iron (about 4% carbon) is cast into moulds in many shapes. Correct.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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