Chemistry

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

More Questions from Chemistry
Is mercury a solid, liquid or a gas?
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What is H20 more commonly known as?
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What is the pH of a .1 M solution of HCl?
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What is adherence between materials such as bricks/mortar?
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What is the symbol used on the periodic table for the element Chlorine?
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What orbital is described by the quantum numbers: n=3 and l=2?
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Who discovered calcium and barium?
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What symbol appears on the periodic table for Unnilquadium which has the atomic number 104?
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