Multiple choices questions about introduction to laboratory practice
1. Which of these is NOT a common laboratory practice?
a) Wearing protective clothing, such as lab coats and gloves
b) Using proper disposal methods for hazardous waste
c) Eating and drinking in the laboratory
d) Following specific procedures and protocols
2. Why is it important to keep the laboratory clean and organized?
a) It creates a professional and efficient work environment
b) It prevents accidents and spills
c) It helps maintain accurate results and measurements
d) All of the above
3. What is the purpose of a lab notebook?
a) To record observations, data, and experimental procedures
b) To jot down personal thoughts and ideas during experiments
c) To make sketches of equipment and apparatus used in experiments
d) To write down the names of fellow lab partners
4. Which is the correct method for mixing a solution in a laboratory?
a) Pouring all the ingredients together into a beaker and stirring gently
b) Adding the ingredients to a closed container and shaking vigorously
c) Adding the ingredients to a container and stirring until well mixed
d) There is no specific method for mixing a solution
5. What should you do if you accidentally spill a chemical or break a piece of glassware?
a) Continue working and clean it up at the end of the experiment
b) Notify your lab instructor or supervisor immediately
c) Leave it for someone else to clean up
d) Do nothing, as spills and accidents are expected in a laboratory
6. What is the purpose of a safety data sheet (SDS)?
a) To provide information on the hazards and handling of specific chemicals
b) To keep track of equipment and supplies in the laboratory
c) To document experimental procedures and results
d) To record safety incidents and accidents in the laboratory
7. Why is it important to follow proper waste disposal methods in the laboratory?
a) To minimize environmental pollution and protect human health
b) To create more space in the laboratory for equipment and supplies
c) To save money and resources by reusing waste materials
d) There is no need for waste disposal in a laboratory
8. What should you do if you come across a broken piece of glassware in the laboratory?
a) Pick it up with your bare hands and dispose of it in the trash bin
b) Use gloves or other protective equipment to pick it up and dispose of it in a designated glass disposal container
c) Ignore it and continue with your experiment
d) Leave it for someone else to clean up