GENERAL KNOWLEDGE

GK

SOIL AND AGRICULTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Wrought iron contains carbon (per cent) -
A
0.05-1 %
B
1-2 %
C
2-3 %
D
3-4 %
Explanation: 

Detailed explanation-1: -Wrought iron is a tough malleable form of iron which contains very less carbon percentage of 0.05 to 1%. It is very soft in nature and have high tension strength. It is also magnetic and ductile in nature.

Detailed explanation-2: -Hence, wrought Iron is the purest form of iron and contains less than 0.1 percent of carbon.

Detailed explanation-3: -Wrought iron is composed primarily of elemental iron with small amounts (1–2 percent) of added slag (the by-product of iron ore smelting, generally consisting of a mixture of silicon, sulfur, phosphorous, and aluminum oxides).

Detailed explanation-4: -Percentage of carbon in cast iron is 2 to 4.5% wrought iron is 0.12−0.25% and steel is 0.25 to 2%.

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