Respuesta :

Answer:

while doing in lab we have to take major precautions

  • Use the glasses
  • Use the gloves
  • Don't use the chemicals with out knowledge
  • Read the warnings carefully
  • Do this under the supervision of an expert

Hope it helps u
1.protection
2.dont do until said so
3.listen and pay attention
3.make sure all areas are clean before working in

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