AIEEE 2004 Chemistry Solved Paper

Section: Chemistry

Question : 75 of 75

Marks: +1, -0

The soldiers of Napoleon army while at Alps during freezing winter suffered a serious problem as regards to the tin buttons of their uniforms. White metallic tin buttons got converted to grey power. The transformation is related to

[AIEEE 2004]

a change in the partial pressure of oxygen in the air
a change in the crystalline structure of tin
an interaction with nitrogen of the air at very low temperature
an interaction with water vapor contained in the humid air

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