CSCS Test Questions on Hazardous Substances

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This set of CSCS test questions on hazardous substances has 15 questions covering key topics such as asbestos, COSHH, hazardous chemicals, cement hazards, warning symbols, and safe working practices.

These questions are designed to help you recognise dangerous substances, understand the health risks they present, and learn the correct control measures used on construction sites.

To pass this CSCS practice test, you must score at least 12 out of 15. Each question has only one correct answer. Good luck.

1. Which statement about asbestos is accurate?

Question 1 of 15

2. Which activity could expose a worker to the highest risk of lead poisoning if suitable controls are not in place?

Question 2 of 15

3. How can you tell if a product is hazardous?

Question 3 of 15

4. You discover an unlabelled container that may contain chemicals. What should you do first?

Question 4 of 15

5. What is the immediate health risk of kneeling in wet cement without suitable protection?

Question 5 of 15

6. If you regularly work with hazardous materials, what should your employer monitor?

Question 6 of 15

7. What does the term sensitiser indicate when shown on a substance label?

Question 7 of 15

8. Cement roofing sheets are often associated with which hazardous material?

Question 8 of 15

9. What is the most reliable way to confirm whether a material contains asbestos?

Question 9 of 15

10. What is the purpose of a COSHH assessment?

Question 10 of 15

11. A worker starts feeling unwell after using a new chemical product. What is the safest course of action?

Question 11 of 15

12. If workers ignore safety instructions for handling hazardous substances, what is the most likely outcome?

Question 12 of 15

13. Before starting work with a hazardous substance, who should explain the health risks and safe working procedures identified in the COSHH assessment?

Question 13 of 15

14. Breathing in asbestos fibres over time can lead to which serious illness?

Question 14 of 15

15. Which hazard symbol identifies a substance that can be toxic if inhaled, swallowed, or absorbed into the body?

Question 15 of 15


 

Ready to take a full practice test covering different topics? Choose a full test, or continue practicing topic by topic

Full CSCS Mock Exams

CSCS Mock Exam 1 – 50 Questions
CSCS Mock Exam 2 – 50 Questions
CSCS Mock Exam 3 – 50 Questions
CSCS Mock Exam 4 – 50 Questions

Topic Based Exams

Fire Prevention & Control
Site Transport and Lifting Operations
Health and Safety Signs
Manual Handling

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