1. Following the instructions

  • It is critical to read and listen the laboratory procedure and be familiar  with all the steps, from start to finish.

2. Knowing the location of safety equipment

  • It is mandatory to have a fire extinguisher and first-aid kit readily in the laboratory.

3. Dressing for the laboratory

  • It is important to wear protective cloths including a laboratory coat, safety goggles, gloves, hearing protection, long pants, a long-sleeve shirt, and leather shoes or boots that fully cover your feet(NO sandals).

4. Never eat or drink in the laboratory.

  • It is forbidden to store food or beverages in the same refrigerator that contains experiments, chemicals, or cultures.

5. Never taste or sniff chemicals.

6. Act responsibly in the laboratory.

  • Never randomly mixing chemicals to see what happens. It may result an explosion, fire, or release of toxic gases.

7. Cleaning the experiment area in the laboratory and storing the  waste properly.

  • Every laboratory session should begin and end with your glassware, chemicals, and laboratory equipment clean and stored properly.

8. Handling chemicals properly

  • Wear a disposable respirator mask when handle chemicals that are toxic. Never allow laboratory chemicals to contact your bare skin.

9. Knowing what to do with laboratory accidents

  • If someone burn or if he exposed to chemical immediately flood the burned area with cold tap water for several minutes.

10. All laboratory personnel should place emphasis on safety and chemical hygiene at all times.

  • Never leave containers of chemicals open. All containers must have appropriate labels. Unlabelled chemicals should never be used.

1. What you should do if someone burn or if he exposed to chemical?

A. Switching off the electric power.  

B. Calling to the Ambulance. 

C. flood the burned area with cold tap water for several minutes.

D. Trying to add another chemical

2. One of the following is allowed in the laboratory. Which one?

A. store food or beverages in the same refrigerator 

B. leave containers of chemicals open

C. read and listen the laboratory procedure 

D. allow laboratory chemicals to contact your bare skin.

3. One of the following is not dressing for the laboratory.

A. safety goggles                B. gloves  

C. Ear phone                      D.  hearing protection

4. Handling chemicals properly means

A. Never randomly mixing chemicals to see what happens

B. read and listen the laboratory procedure

C. Never allow laboratory chemicals to contact your bare skin.

D. All containers must have appropriate labels.

Answer

1.  C     2. C     3. C     4. C

Last modified: Tuesday, 30 September 2025, 9:32 AM