John is completing a lab in which he is using the corrosive base sodium hydroxide (NaOH). For this laboratory experiment, what types of safety precautions should he take? Check all that apply.

a. wear safety goggles

b. have his water bottle on the lab desk in case he gets thirsty

c. wear a lab coat

d. read any safety information, such as the SDS before he begins the experiment

answers: A, C, D