Q:

What are test tubes used for?

A:

Quick Answer

Test tubes are used by chemists in the lab to heat, hold and mix small quantities of liquid or solid chemicals during experiments. They have a round bottom and are made of borosilicate glass to withstand temperature changes and resist the reaction of chemicals.

Continue Reading
What are test tubes used for?
Credit: Horia Varlan CC-BY-2.0

Full Answer

Test tubes have clear glass to allow monitoring and observation during an experiment. The straight sides and round bottom are designed to reduce mass loss when pouring and also make them easy to clean. A test tube with a stopper is used to store samples and for other storage purposes. Test tubes are brittle; thus they can easily break when they are not handled carefully.

Learn more about Chem Lab

Related Questions

  • Q:

    What is a tripod lab equipment?

    A:

    Tripod lab equipment, which consists of a laboratory tripod, is a three-legged piece of equipment used as a platform to hold materials, such as beakers and flasks, during experiments. The height of the tripod can be adjusted to the individual. Some also fold for increased portability.

    Full Answer >
    Filed Under:
  • Q:

    What are some important apparatus in a chemistry laboratory?

    A:

    Some important apparatus found in a chemistry laboratory are beakers, Bunsen burners, Erlenmeyer flasks, test tubes, funnels, thermometers, clamps and water bottles. These items can be essential for performing many chemistry experiments and are often found in chemistry classes.

    Full Answer >
    Filed Under:
  • Q:

    What is the definition of test tube holder?

    A:

    A test tube holder is an apparatus designed to support and store test tubes during a scientific experiment. A test tube is a thin-glassed tube with one closed end used in the examination of cultures such as bacteria. Test tube holders may also be referred to as test tube racks.

    Full Answer >
    Filed Under:
  • Q:

    What is the function of a test tube holder and a test tube rack?

    A:

    A test tube holder's purpose is for holding test tubes in place, but they can also be useful for holding pipettes and stirring rods as well, and a test tube rack holds multiple test tubes in place. Some test tube racks can hold up to 40 test tubes. There are other racks designed for storing test tubes and holding even larger numbers of test tubes during a long period of time.

    Full Answer >
    Filed Under:

Explore