Question

ASSERTION: Wrought iron is more malleable and ductile than steel.
REASON: It contains slightly less percentage of carbon.
A.If both assertion and reason are CORRECT and reason is the CORRECT explanation of the assertion.
B.If both assertion and reason are CORRECT, but reason is not the CORRECT explanation of the assertion.
C.If the assertion is CORRECT but the reason is INCORRECT.
D.If the assertion is INCORRECT but the reason is CORRECT.

Answer 1

Hint: Iron is an active metal thus it does not occur in Free State. Iron is the second most abundant metal after aluminium on the Earth. In a combined state. It is found in different mineral forms. They are given blow-
i.Oxide mineral
ii.Carbonate mineral
iii.Sulphide mineral

Complete step by step answer:
Ores name of Iron-
Haematite – \[F{e_2}{O_3}\]
Limonite – \[F{e_2}{O_3}.3{H_2}O\]
Magnetite – \[F{e_3}{O_4}\]
Types of Iron – Pig Iron is used in making following forms of iron.
 Cast Iron – It contains \[93 - 94\% \] Iron, \[2 - 4\% \] carbon and rest Silicon, Phosphorous, Sulphur and Manganese as impurities. Cast Iron is hard and brittle.
Wrought Iron – It is the purest form of Iron. It contains \[98.8 - 99.9\% \] of Iron and the rest is Carbon, Silicon, Phosphorous, Manganese etc. impurities.
Steel – The percentage of Carbon in steel between that of cast Iron and wrought Iron, i.e. \[0.25 - 1.5\% \]. Other impurities are almost absent in it.
Thus both assertion and reason are CORRECT and reason is the CORRECT explanation for assertion.

Additional information: Wrought/Created Iron (made by over and again warming and adjusting cast Iron) has a far higher rigidity and is more pliable than cast Iron. Notwithstanding, the assembling cycle gives fashioned iron a laminar structure, so its out-of-plane properties are regularly sub-par. Created iron was work escalated to make and subsequently was regularly utilized in blend with cast Iron, or braces were manufactured by riveting together more modest fashioned Iron segments.


Note:
Wrought Iron is a purest form of Iron which contains carbon content up to \[0.15\% \].Steel contains Carbon content from \[0.25 - 1.5\% \] and because of this slightly less percentage of Carbon, Wrought Iron is more malleable and ductile than steel. Carbon brings rigidity to the structure of steel.