Question

Which of the following pieces of laboratory equipment is not directly used to make measurements?

Answer 1

Test are not directly used to make measurements, I mean you could use them to put 4 mL of a substance in, but not to measure out 4 mL, like with graduated cylinders. Rulers can be used to measure the length of something, like the number of inches. And a thermometer will help you measure the temperature of something.

Answer 2

Which of the following pieces of laboratory equipment is not directly used to make measurements?

a.

test tube