Question

Which of the following safety warnings apply to this particular lab? Select ALL that apply. Select ALL that apply. A) Wear your safety goggles at all times. Always transfer hot beakers with crucible tongs. B) Flush with water immediately and notify your instructor if potassium hydroxide comes into contact with your skin. C) Avoid touching the hot crucible with your bare hands. D) Use caution when cutting the aluminum cans to avoid cuts. E) Flush with water immediately and notify your instructor if sulfuric acid comes into contact with your skin.

Answer 1

All the alternatives apply A,B,C,D and E.

Step-by-step explanation:

When conducting chemical laboratory experiments it is important to always follow safety rules to avoid accidents.

A) Goggles will prevent possible vapors or particles from reaching your eyes during chemical reactions.

B) and E) Whenever any chemical comes into contact with the skin, wash immediately, depending on the property, some chemical stabilization will be necessary to stop the reaction, so it is important to notify the instructor immediately.

C) Never try to take the hot crucible with your own hand, there are specific devices for it like tongs.

D) Cutting aluminum cans creates very sharp points, it is recommended to use pliers to hold the can and industrial scissors to cut it.