Texas Chemical Safety Technician
Certification Practice Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2025|2026 Q&A | Instant
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1. What is the primary purpose of a Material Safety Data Sheet (MSDS)?
A) To provide instructions for manufacturing chemicals
B) To list company contact information
C) To provide information on handling and emergency procedures for
chemicals
D) To describe the cost of chemicals
The MSDS is designed to inform workers and emergency personnel about
the hazards of chemicals and proper safety measures.
2. Which of the following personal protective equipment (PPE) is
essential when handling corrosive chemicals?
A) Gloves resistant to chemical penetration
, B) Cotton gloves
C) Regular work boots
D) Earplugs
Chemical-resistant gloves protect the skin from burns and irritation caused
by corrosive substances.
3. What does the acronym NFPA stand for in chemical safety?
A) National Fire Protection Assembly
B) National Federal Protection Agency
C) National Facility Protection Association
D) National Fire Protection Association
The NFPA develops codes and standards to minimize fire risks, including
the well-known NFPA diamond for hazard identification.
4. Which type of fire extinguisher should be used on flammable liquid
fires?
A) Water
B) Class B extinguisher
C) Class D extinguisher
D) CO2 extinguisher
Class B extinguishers are designed specifically for fires involving flammable
liquids such as gasoline or solvents.
5. What is the first action to take if a chemical spill occurs in the
workplace?
, A) Evacuate immediately without reporting
B) Neutralize the spill without protective gear
C) Alert personnel and contain the spill if safe
D) Ignore it if the spill looks small
Safety protocols emphasize alerting others and containing spills only if it
can be done safely to minimize exposure.
6. Which label color in the NFPA diamond indicates health hazards?
A) Yellow
B) Blue
C) Red
D) Blue
The blue section of the NFPA diamond represents health risks associated
with a chemical.
7. What is the safest way to store incompatible chemicals?
A) Together on the same shelf
B) Separately with clear labeling
C) In a sealed container without labeling
D) In the same cabinet but with a barrier
Separating incompatible chemicals and labeling them clearly prevents
dangerous reactions.
8. Which of the following gases is considered an asphyxiant?
A) Oxygen
, B) Carbon dioxide
C) Carbon monoxide
D) Nitrogen
Nitrogen can displace oxygen in the air, leading to suffocation without
direct toxicity.
9. What does a Safety Data Sheet (SDS) Section 8 cover?
A) Physical and chemical properties
B) Exposure controls and personal protection
C) Handling and storage
D) Exposure controls and personal protection
Section 8 provides guidance on PPE and exposure limits to protect workers.
10. Which statement about chemical waste disposal is correct?
A) All chemical waste can be poured down the drain
B) Chemical waste disposal does not require documentation
C) Chemical waste must be disposed of according to regulations
D) Only organic chemicals require special disposal
Regulations require proper handling and documentation of all chemical
waste to prevent environmental contamination.
11. The term “LD50” refers to:
A) The dose that causes allergic reaction in 50% of people
B) The dose that causes death in 50% of test animals
Certification Practice Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2025|2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of a Material Safety Data Sheet (MSDS)?
A) To provide instructions for manufacturing chemicals
B) To list company contact information
C) To provide information on handling and emergency procedures for
chemicals
D) To describe the cost of chemicals
The MSDS is designed to inform workers and emergency personnel about
the hazards of chemicals and proper safety measures.
2. Which of the following personal protective equipment (PPE) is
essential when handling corrosive chemicals?
A) Gloves resistant to chemical penetration
, B) Cotton gloves
C) Regular work boots
D) Earplugs
Chemical-resistant gloves protect the skin from burns and irritation caused
by corrosive substances.
3. What does the acronym NFPA stand for in chemical safety?
A) National Fire Protection Assembly
B) National Federal Protection Agency
C) National Facility Protection Association
D) National Fire Protection Association
The NFPA develops codes and standards to minimize fire risks, including
the well-known NFPA diamond for hazard identification.
4. Which type of fire extinguisher should be used on flammable liquid
fires?
A) Water
B) Class B extinguisher
C) Class D extinguisher
D) CO2 extinguisher
Class B extinguishers are designed specifically for fires involving flammable
liquids such as gasoline or solvents.
5. What is the first action to take if a chemical spill occurs in the
workplace?
, A) Evacuate immediately without reporting
B) Neutralize the spill without protective gear
C) Alert personnel and contain the spill if safe
D) Ignore it if the spill looks small
Safety protocols emphasize alerting others and containing spills only if it
can be done safely to minimize exposure.
6. Which label color in the NFPA diamond indicates health hazards?
A) Yellow
B) Blue
C) Red
D) Blue
The blue section of the NFPA diamond represents health risks associated
with a chemical.
7. What is the safest way to store incompatible chemicals?
A) Together on the same shelf
B) Separately with clear labeling
C) In a sealed container without labeling
D) In the same cabinet but with a barrier
Separating incompatible chemicals and labeling them clearly prevents
dangerous reactions.
8. Which of the following gases is considered an asphyxiant?
A) Oxygen
, B) Carbon dioxide
C) Carbon monoxide
D) Nitrogen
Nitrogen can displace oxygen in the air, leading to suffocation without
direct toxicity.
9. What does a Safety Data Sheet (SDS) Section 8 cover?
A) Physical and chemical properties
B) Exposure controls and personal protection
C) Handling and storage
D) Exposure controls and personal protection
Section 8 provides guidance on PPE and exposure limits to protect workers.
10. Which statement about chemical waste disposal is correct?
A) All chemical waste can be poured down the drain
B) Chemical waste disposal does not require documentation
C) Chemical waste must be disposed of according to regulations
D) Only organic chemicals require special disposal
Regulations require proper handling and documentation of all chemical
waste to prevent environmental contamination.
11. The term “LD50” refers to:
A) The dose that causes allergic reaction in 50% of people
B) The dose that causes death in 50% of test animals
