Examlex
The ratio of the number of moles of one of the components in a mixture divided by the total number of moles in the sample is called that component's _____.
Corrosive
Materials or substances that have the ability to destroy or damage other materials through a chemical reaction.
Ozone Layer
A stratospheric layer containing a high concentration of ozone, which protects the Earth from the sun's harmful ultraviolet radiation.
Methyl Bromide
A toxic gas used as a pesticide and for fumigation, known to deplete the ozone layer and hazardous to human health.
PCBs
Polychlorinated biphenyls, a group of toxic chemical compounds known for environmental persistence and health hazards.
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