Which of these statements is most likely to be part of a safety contract?
O Loose clothing and jewelry are permitted in
the lab as long as no toxic chemicals are
being used.
Safety goggles must be worn during all
laboratory activities.
An emergency eyewash station should be set
up next to each lab table before each lab
session.

not clear

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.

it's c (engineer's do their work with mechanical stuff not on any living being)