Title: Ch. 5.1.1 Safety Quiz
Course: Lab Safety > Section: Day 3

Bases on the section 5.1.1 Corrosive Hazards in Introductory Chemistry Laboratories from the book Laboratory Safety for Chemistry Students by Hill and Finster, 2010 John Wiley & Sons.

Q: Corrosives are chemicals that
- have a pH between 0 and 14
- are acids or bases
- are rarely encountered in introductory chemistry classes
- cause harm or injury by damaging tissue at the point of contact
A: cause harm or injury by damaging tissue at the point of contact

Q: Corrosives can be in which of the following forms?

Select all that apply.
- liquids
- solids
- gases
- solutions
A: liquids; solids; gases; solutions

Q: The potential for injury from an acid depends on which of the following?

Select all that apply.
- the chemical structure of the acid
- the concentration of the acid in solution
- the area of exposure (such as skin vs. eyes)
- the duration of the exposure
- the temperature of the solution
A: the chemical structure of the acid; the concentration of the acid in solution; the area of exposure (such as skin vs. eyes); the duration of the exposure; the temperature of the solution

Q: Which of the following common acids are corrosive?

Select all that apply.
- acetic acid
- sulfuric acid
- hydrochloric acid
- nitric acid
A: sulfuric acid; hydrochloric acid; nitric acid

Q: Which acid is also a strong oxidizing agent?
- nitric acid
- sulfuric acid
- hydrochloric acid
- All of the above
A: nitric acid

Q: At what concentration are acids and bases generally considered to be corrosive?
- Greater than 0.1M
- Greater than 1M
- Greater than 3M
- Greater than 6M
A: Greater than 1M

Q: What is the correct procedure for preparing the dilution of a solution of an acid?
- add the acid to the water as quickly as possible
- add the acid to the water slowly with stirring
- add the water to the acid as quickly as possible
- add the water to the acid slowly with stirring
A: add the acid to the water slowly with stirring

Q: Which base is not likely to be used in an introductory chemistry course?
- NaOH
- KOH
- NH_4OH (NH_3(aq))
- LiOH
A: LiOH

Q: Which base, at high concentration, will also have a corrosive gas associated with it?
- NaOH
- KOH
- LiOH
- NH_4OH  (NH_3(aq))
A: NH_4OH  (NH_3(aq))

Q: Which of the following are good strategies to avoid contact with corrosive chemicals in the laboratory?

Select all that apply.
- Wear chemical splash goggles.
- Wear appropriate gloves.
- Work in a chemical fume hood.
- Wear lab coat or lab apron.
A: Wear chemical splash goggles.; Wear appropriate gloves.; Work in a chemical fume hood.; Wear lab coat or lab apron.