Which two chemicals when combined cause an explosion?

Lime and Alum

To avoid injuries, broken lab glassware should be?

Flame proofed

Which fire extinguisher is used for electrical fires?

"C"

Who can enter a confined space with an explosive atmosphere to rescue a fallen worker?

No one

What is worn when entering a room containing chlorine gas?

SCBA

Excavations over 5 feet deep must be?

Shored

Before working on a pump what must be done?

Lock out and tag, also, Read Manufacturer's Manual

How should potassium permanganate be stored?

Away from heated pipes

What do you give someone who swallowed chlorine?

Milk or peppermint sprits

What do you give someone who swallowed fluoride fluoride?

Milk or water

How far apart from a workman in a trench must a ladder be?

25'

What is the PEL for chlorine?

5 ppm eight hour weighted average

How many ppm of chlorine is IDLH?

10

What percent of chlorine in the atmosphere will kill you in seconds?

0.10% or 1,000 ppm

What is the most common cause of chlorine leaks?

Failure to change the lead washer

What is the first indication of a carbon fire?

Heat

Never add _________ into ____________?

Water to acid

Powdered Activated Carbon

Who can issue/write a confined space permit?

Competent Person

What is the first thing you should do before entering a confined space?

A Test Atmosphere