Page 185 - The Periodic Table Book
P. 185

The two divers use chlorine twice in the cleaning    seaweed. Several weeks later, the divers return to remove
           process. First, they cover the thick seaweed with    the PVC sheets. The invading seaweed will not regrow,
           a sheet made of PVC, a tough plastic containing     and the plants on the seabed will gradually return. Although
           chlorine. Next, they pump a compound of sodium      chlorine is highly reactive and can damage skin and
           and chlorine called sodium hypochlorite under the    other body parts, divers are well-protected by their
           sheet. This powerful liquid bleach kills the unwanted    rubber wetsuits.





   182-183_Chlorine_DPS.indd   183                                                                               02/12/16   7:48 pm
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