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Chemistry SPM  Chapter 1  Introduction to Chemistry
                 6.  Mercury  poisoning  occurs  when  a  person  is  exposed  to  a  certain  amount  of
                    mercury.
                7.  Mercury poisoning occurs through mercury vapour inhalation, mercury-contaminated
                    foods, injections, or skin absorption.
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                 8.  Symptoms of mercury poisoning:





                                           Vomiting,      Increase blood
                                            nausea,        pressure or
                                            diarrhea      heartbeat rate
         Form 4
                                                                               Eye
                            Chest pain
                                                                             irritation
                                                   Symptoms
                                                   of mercury
                         Difficulty in             poisoning                   Headache
                          breathing




                                        Coughing,               Vision
                                       sore throat             problem





                 9.  Steps  to  take  when  mercury  spills
                    are as follows:                               Laboratory
                    (a)  Report  any  accident  to  the           Safety
                       teacher  or  laboratory  assistant         Measures
                       immediately.                       VIDEO
                    (b)  Isolate   the   area   with   a
                       signboard.
                    (c)  Cover   mercury   spill   with    SPM TIP
                       adequate  amount  of  sulphur
                       powder.                               Mercury spill must be covered with
                    (d)  Contact the fire department for     sulphur powder because it is highly
                       future action.                        volatile.










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         01.4 RANGER SPM CHEMISTRY 1P.indd   4                                             29/03/2022   12:05 PM
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