The contrast is between "pure" and "applied", not between "pure" and "impure". Pure science investigates questions without regard to any practical applications that might derive from answering the questions. Applied science chooses questions to investigate based on the anticipated usefulness of answering the question. Anyone using the term "impure science" is just making a joke.
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Pure water does not contain colour but impure water contains Other compounds.
A pure substance has a specific density that remains constant regardless of the amount of substance present. An impure substance may have a density that varies depending on the amount and type of impurities present in the substance.
A pure substance is one which contains only that substance and nothing else. An impure substance contains other substances in varying amounts.
the different between pure and impure is: 1.pure:means one kind of one thing for example:pure oxygen means only the element oxygen but in the air we have lots of elments beside the air like hydrogen ,nitrogen...etc 2.impure:the opposite from the pure :P
"Pollute" -- your question shouldn't be in the Science category.
An impure substance contain impurities; for example polluted water is an impure substance.
A Purebred is a dog, cat, horse and any other sub category or animal that hasn't had any other different breed taint the bloodline and only comes from previous stock of its breed whereas an Impure breed is a mix of two of different breeds, tainting the line and making the offspring mongrels.
Impure Blood was created in 1910.
I Am an Impure Thinker was created in 1970.
The difference in temperature is not significant; for an impure water the freezing point is lower.
Pure water is a non-conductive substance that is toxic to life, and corrosive of most metals. Impure water is water that has impurities, such as salts, hardness, metal ions, and so on.