Question

Which of the following pieces of laboratory equipment is not directly used to make measurements
a.test tube
b.graduated cylinder
c.ruler
d.thermometer

Answer 1

I believe the answer is a test tube.

Answer 2

Answer:

A. Test tube.

Explanation:

The test tubes are used to collect samples of a particular liquid.

A graduated cylinder is like a test tube but it has marks on the tube to measure the volume of a liquid.

A ruler is used to measure length.

And finally, a thermometer is used to measure the temperature.

I hope this answer helps you.