The soldiers of Napoleon army while at Alps during freezing winter suffered a serious problem with regard to the tin buttons of their uniform. White metallic tin buttons get converted to grey poweder. This transformation is relate toA. An interaction with nitrogen of the air at very low temperaturesB. An interaction with water vapour contained in the humid air.C. A change in the partial pressure of oxygen in the airD. A change in the crystalline structure of tin

The soldiers of Napoleon army while at Alps during freezing winter suf

1.	The soldiers of Napoleon army while at Alps during freezing winter suffered a serious problem with regard to the tin buttons of their uniform. White metallic tin buttons get converted to grey poweder. This transformation is relate toA. An interaction with nitrogen of the air at very low temperaturesB. An interaction with water vapour contained in the humid air.C. A change in the partial pressure of oxygen in the airD. A change in the crystalline structure of tin
Answer» Correct Answer - D

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