Question

b. - classwork on lab safety

1. when should safety goggles be worn?
2. if you accidentally spill water near electrical equipment, what should you do?
3. what precautions should you take when working near an open flame?

Explanation:

1. Safety goggles should be worn when performing any activity in the lab that may pose a risk to the eyes, such as handling chemicals, using equipment that may cause splashes or flying debris, or working with heat sources.
2. If water is spilled near electrical equipment, immediately turn off the power to the equipment to prevent electrocution, then clean up the spill carefully.
3. When working near an open flame, keep flammable materials away, use appropriate equipment like tongs or forceps, and have a fire - extinguisher nearby.

Answer:

1. When performing activities that may pose an eye - risk in the lab.
2. Turn off the power to the equipment and clean up the spill carefully.
3. Keep flammable materials away, use appropriate tools, and have a fire - extinguisher nearby.