Quiz Text A Lab Equipment

What is the primary purpose of a Bunsen burner in a chemistry laboratory?

• To store flammable liquids
• To measure liquid volumes
• To produce a controlled flame for heating substances
• To sterilize glassware with UV light

How can you create a hotter flame with a Bunsen burner?

• Decrease the air intake
• Increase the air intake
• Use less gas flow
• Remove the barrel

Tags

NGSS.HS-PS1-4

Which characteristic indicates a higher temperature Bunsen burner flame?

• Yellow color
• Orange color
• Blue color
• Green color

What is the main function of a ring stand?

• To store ring-shaped equipment
• To support and hold various laboratory equipment
• c. To measure circular objects
• d. To create circular motion in liquids

What is the primary purpose of a clay triangle?

• To mark laboratory surfaces
• To support crucibles during heating
• To measure triangular shapes
• To store small equipment

Which piece of equipment is most appropriate for evaporating solvents from a solution?

• Test tube
• Beaker
• Evaporating dish
• Erlenmeyer flask

What is the main limitation of using beakers for measuring liquids?

• They cannot hold hot liquids
• They are not highly accurate for volume measurements
• They break easily
• They cannot be used with stirring rods

What is the purpose of wire gauze in laboratory setups?

• To filter solutions
• To distribute heat evenly under glassware
• To clean laboratory equipment
• To measure wire lengths

Tags

NGSS.HS-PS3-4

When should safety goggles be worn in the laboratory?

• Only during heating experiments
• Only when handling acids
• At all times when chemicals, heat, or glassware are in use
• Only during specific instructor-designated times

What is the advantage of an Erlenmeyer flask's design?

• It provides precise measurements
• It allows for easy swirling without spilling
• It can withstand extreme pressure
• It prevents light exposure