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Hydrocarbon PCB is called \( a s \)

1. polychlorinated biphenyls
2. polycalcium biphenyls
3. polychlorinated bicarbonate
4. none of the above

Correct answer: polychlorinated biphenyls

Solution

PCB stands for polychlorinated biphenyls. The term refers to biphenyl compounds with multiple chlorine atoms substituted on the aromatic rings.

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