Chemistry

On a prescription, what does "QOD" stand for?

More Questions from Chemistry
What is deterioration of a metal by chemical or electrochemical reaction with its environment?
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Which of the following is not a common brominating agent?
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What symbol appears on the periodic table for Magnesium which has the atomic number 12?
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Who is generally credited with discovering the electron?
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Scotch tape and plastic wrap are made from what?
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What is the inherent voltage of lithium?
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What symbol appears on the periodic table for the element with the atomic number 22?
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What symbol appears on the periodic table for Oxygen which has the atomic number 8?
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