DAT Laboratory techniques

Which of the following pieces of laboratory equipment is best for mixing, heating, and stirring solutions?

Erlenmeyer flask

 

Graduated cylinder

Burette

Pipette

 

Test Tube

Erlenmeyer flask

If a chemist needed to measure and transfer 2.85 mL of solution, the best piece of laboratory equipment to use would be a ?

beaker.

test tube.

dropper.

burette.

pipette.

pipette.

What is the correct order from most to least precise when using laboratory equipment to measure volumes?

Burette, pipette, graduated cylinder, beaker

Burette, graduated cylinder, pipette, beaker

 

Burette, graduated cylinder, beaker, pipette

 

Pipette, burette, graduated cylinder, beaker

 

Pipette, graduated cylinder, burette, beaker

Pipette, burette, graduated cylinder, beaker

An experiment involves titrating a 0.20 M NaOH solution into an Erlenmeyer flask with HCl of unknown concentration. What piece of laboratory equipment should be used to add the NaOH?

Graduated cylinder

Boiling flask

 

Dropper

 

Burette

 

Pipette

Burette

Which of the following pairings of laboratory equipment and function is correct?

Using a dropper to measure and transfer 100 μL of liquid

Using a burette to heat 20 mL of liquid

 

Using a test tube to measure 50 μL of liquid

Using a volumetric flask to heat 30 μL of liquid

 

Using a graduated cylinder to measure 10 mL of liquid

Using a graduated cylinder to measure 10 mL of liquid

To precisely measure 10 mL of a solution, which is then heated, which two pieces of laboratory equipment should be used, respectively?

Pipette, Erlenmeyer flask

 

Pipette, graduated cylinder

 

Volumetric flask, Erlenmeyer flask

 

Volumetric flask, graduated cylinder

 

Burette, graduated cylinder

Pipette, Erlenmeyer flask

Each of the following pieces of equipment is suitable for measuring volumes EXCEPT one. Which one is the EXCEPTION?

Graduated cylinder

 

Burette

Pipette

Test tube

Test tube

Which of the following pieces of laboratory equipment is most suitable for precisely measuring 500 μL of liquid?

Pipette

 

Burette

 

Graduated cylinder

Test tube

 

Beaker

Pipette

Which pair of equipment is used in acid-base titration?

Pipette and Erlenmeyer flask

 

Pipette and volumetric flask

Burette and Erlenmeyer flask

 

Burette and volumetric flask

 

Burette and beaker

Burette and Erlenmeyer flask

Which of the following pieces of laboratory equipment is designed to dispense fluids slowly and consistently?

Beaker

Erlenmeyer flask

Graduated cylinder

Burette

Test tube

Burette