Chemistry

What sort of change happens to a head of lettuce when you cut it in half?

More Questions from Chemistry
What is a mixture of gasoline and ethanol called?
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Which is not a component of black powder?
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If you crush a diamond, what color is the dust?
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What would you call the treatment of disease, usually cancer, by chemical agents?
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What branch of chemistry is concerned with the chemistry of living organisms?
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How many degrees of unsaturation are in the compound C2H4?
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What are the products of propanoic acid and ethanol when the two are combined with warm sulphuric acid?
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The study of the effects of light on chemical reactions is known as what?
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