Manganese steel is used for making railway tr | vedclass

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Question

(A) Railway tracks are made of manganese steel,which is an alloy of iron containing approximately $10-15\%$ manganese.This specific composition makes

Vedclass · Accepted Answer

it is hard with high percentage of $Mn$

Vedclass · Answer

(A) Railway tracks are made of manganese steel,which is an alloy of iron containing approximately $10-15\%$ manganese.This specific composition makes the steel extremely hard,tough,and resistant to wear and abrasion,which is essential for the heavy loads and constant friction experienced by railway tracks.The addition of $Mn$ increases the hardness and strength of the steel while reducing its brittleness.Therefore,the correct answer is that it is hard due to the high percentage of $Mn$.Thus,the correct option is $A$.

List-$I$ (Aquated Ion)	List-$II$ (Colour)
$A. Ni^{2+}$	$I. \text{Violet}$
$B. Fe^{3+}$	$II. \text{Blue}$
$C. Mn^{3+}$	$III. \text{Yellow}$
$D. V^{4+}$	$IV. \text{Red}$
	$V. \text{Green}$

Manganese steel is used for making railway tracks because

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Match the following:

List-$I$ (Aquated Ion) List-$II$ (Colour)

$A. Ni^{2+}$ $I. \text{Violet}$

$B. Fe^{3+}$ $II. \text{Blue}$

$C. Mn^{3+}$ $III. \text{Yellow}$

$D. V^{4+}$ $IV. \text{Red}$

$V. \text{Green}$

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