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Chemistry
What is used to remove oxygen from cathode ray tubes and vacuum tubes?
Chemistry
What is used to remove oxygen from cathode ray tubes and vacuum tubes?
Barium
Radium
Calcium
Strontium
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Who is considered the "father" of organic chemistry?
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Which of the following common laboratory chemicals does a person not normally consume?
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Reacting an organic acid with a primary alcohol yields which of the following products?
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Which of these is an element?
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