Question

read all procedures thoroughly before entering the laboratory. *
true
false

all unauthorized experiments are prohibited. *
true
false

you are allowed to enter the chemical preparation/storage area any time you need to get an item.
true
false

Explanation:

In a laboratory, it is a safety - related rule to read procedures thoroughly before entering. Unauthorized experiments can be dangerous and are prohibited. Chemical preparation/storage areas often have restricted access and are not to be entered freely at any time just to get an item.

Answer:

1. True
2. True
3. False