Soldiers of Napoleon's army while at the | vedclass

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Question

(B) The correct answer is $B$.
Grey tin ($\alpha$-tin) is very brittle and easily crumbles into a powder in very cold climates.
The transformation i

Vedclass · Accepted Answer

$A$ change in the crystalline structure of tin

Vedclass · Answer

(B) The correct answer is $B$.
Grey tin ($\alpha$-tin) is very brittle and easily crumbles into a powder in very cold climates.
The transformation is: $	ext{Grey tin (Cubic)} ightleftharpoons 	ext{White tin (Tetragonal)}$.
The change of white tin to grey tin is accompanied by an increase in volume,which causes the buttons to crumble. This phenomenon is known as $	ext{tin disease}$ or $	ext{tin plague}$.

Soldiers of Napoleon's army while at the Alps during a freezing winter suffered a serious problem regarding the tin buttons of their uniforms. White metallic tin buttons got converted to grey powder. This transformation is related to

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