The soliders of Napolean army while at Alps during freezingwinter suffereda serious problem as regards the tin buttongs of theiruniforms.White metallictin buttons got convertedinto grey powder. This transformationis related to

The soliders of Napolean army while at Alps during freezingwinter suff

1.	The soliders of Napolean army while at Alps during freezingwinter suffereda serious problem as regards the tin buttongs of theiruniforms.White metallictin buttons got convertedinto grey powder. This transformationis related to
Answer» an INTERACTIONWITH nitrogenof the air at very low temperatures a change in the crystallines structure of tin. a change iin the partial pressure of OXYGEN in the air. an interaction with WATER vapour contained in the humid air. Answer :B