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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
1
Medium
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Understanding
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Assertion (A): Cast iron is different from pig iron.
Reason (R): Cast iron is made by melting pig iron with scrap iron and coke using hot air blast and has about 3% carbon.
Reason (R): Cast iron is made by melting pig iron with scrap iron and coke using hot air blast and has about 3% carbon.
View answer and explanation
Correct option: A
Both (A) and (R) are true and (R) is the correct explanation of (A)
Option A (Both (A) and (R) are true and (R) is the correct explanation of (A)) is correct because cast iron is indeed different from pig iron, and the reason provided accurately describes how cast iron is made from pig iron with scrap iron and coke, resulting in a carbon content of about 3%.