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unwanted rock and soil around the ore.
the difference between the energy absorbed to break bonds and the energy transferred to the...
a solvent able to dissolve a large number of different chemical compounds. Water is the...
a chemical reaction in which two or more chemicals combine to form a more complex product.
two species that differ from each other by a single proton (H+ ion). An acid becomes its...
the plastics converter industry uses polymers to manufacture useful everyday objects.