Pls answer the picture is attached to this

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

Name the types of burns one can get and which structures of the integument are damaged

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?