CAHINORL Diagnostic Test

Which laboratory apparatus is used to measure the volume of a liquid most accurately?

• Beaker

• Erlenmeyer flask

• Graduated cylinder

• Test tube

It is a kind of ambient air gas burner used as laboratory equipment; it produces a single open gas flame, and is used for heating, sterilization, and combustion.

What is the name of this laboratory equipment?

Which tool is best for holding a test tube over a flame?

• Forceps

• Tongs

• Test tube holder

• Clamp

Which glassware is best suited for mixing chemicals with minimal spillage?

• Erlenmeyer flask

• Beaker

• Test tube

• Graduated cylinder

It is a specialized laboratory tools designed for securely grasping and handling hot crucibles, flasks, evaporating dishes, and other small, potentially hot items.

What is the purpose of using a desiccator in the laboratory?

• To cool liquids

• To heat volatile substances

• To dry moisture-sensitive substances

• To separate mixtures

What is the main function of filter paper in laboratory filtration?

• Heating liquids

• Separating solids from liquids

• Measuring substances

• Mixing solid solutions

It is a square piece of metal mesh used to support glassware during heating and to distribute heat evenly, preventing glassware from cracking or breaking due to direct flame contact. 

It is a device that creates a vacuum to remove liquids or gases, often by using the Venturi effect.

A laboratory thermometer is used to measure what?

• density

• temperature

• pressure

• volume