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OldSpice OldSpice
wrote...
Posts: 6432
9 years ago
Which of the following gaseous elements produces a reddish-purple light in an advertising display?
A) helium
B) hydrogen
C) mercury
D) neon
E) all of the above
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5 Replies
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Answer accepted by topic starter
ElectricElectric
wrote...
Top Poster
Posts: 6431
9 years ago
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bayleeisom
.silent.boss

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OldSpice Author
wrote...
9 years ago
Perfect!

..Thank you so much for your support
wrote...
9 years ago
My pleasure
.silent.boss
wrote...
4 years ago
tahnk you
wrote...
3 years ago
thank you
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