when a piece of hard-boiled egg is left in contact with silverspoon,a black spot is formen on spoon.explain...

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when a piece of hard-boiled egg is left in contact with silverspoon,a black spot is formen on spoon.explain...

2007-06-23 19:54:23 · 2 answers · asked by pink09 1 in Food & Drink ➔ Cooking & Recipes

2 answers

The sulfur from the hard boiled egg causes the silver to tarnish.

Sulfur in the white of the egg: http://whatscookingamerica.net/Eggs/BoiledEggs.htm

Other links:
http://ca.answers.yahoo.com/question/index?qid=20070219144609AAayzAp
http://genchem.rutgers.edu/chtarnish.html
http://www.beadinghelpweb.com/basics/reference/oxidize.htm

2007-06-23 20:01:06 · answer #1 · answered by Treadstone 7 · 1⤊ 0⤋

It is just sulfur. Use stainless steel or plastic.

2007-06-23 21:02:21 · answer #2 · answered by Ginger 6 · 0⤊ 0⤋