Match list A against list B questions on laboratory practices
1. List A: What is the purpose of a centrifuge?
List B: a) To mix substances thoroughly
b) To separate substances based on density
c) To measure the pH of a solution
d) To heat substances at high temperatures
2. List A: What is the function of a fume hood?
List B: a) To provide a sterile work area
b) To store chemicals safely
c) To protect from chemical fumes and airborne particles
d) To measure the volume of a liquid
3. List A: What is the purpose of wearing gloves in a laboratory?
List B: a) To keep hands warm
b) To avoid touching hot surfaces
c) To protect against chemical spills and contamination
d) To enhance dexterity and precision in handling instruments
4. List A: How do you properly dispose of chemical waste?
List B: a) Pour it down the sink with plenty of water
b) Store it indefinitely in the lab
c) Follow proper disposal guidelines provided by the lab
d) Throw it in the regular trash bin
5. List A: Why is it important to label all containers in the lab?
List B: a) To improve organization and efficiency
b) To avoid mix-ups and potential hazards
c) To comply with regulations and safety standards
d) To measure the volume of the solutions accurately
6. List A: What are the necessary steps to follow for proper pipetting?
List B: a) Pour the liquid directly into the pipette
b) Use a pipette tip that is larger than necessary
c) Hold the pipette vertically while dispensing the liquid
d) Follow the guidelines for proper technique and accuracy
Note: The answers are provided for illustrative purposes and may not be exhaustive or entirely accurate. It is important to refer to specific laboratory protocols and guidelines for accurate information.