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2006-09-27 14:27:44 · 2 answers · asked by **palestine** 1 in Science & Mathematics Chemistry

2 answers

Change of color
Change of odor
Formation of gas
Temp change

2006-09-27 14:31:12 · answer #1 · answered by Diamond in the Rough 6 · 0 0

a precipitate forms
Temperature change
emission of a gas
?color?

2006-09-27 21:37:27 · answer #2 · answered by Paul 7 · 0 0

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