A test tube rack is used to stand glass test tubes upright in. Glass test tubes have round bottoms, so need a rack to keep them upright. Otherwise, they would fall over and spill their contents.
To hold test tubes when collecting powders or observing it :)
It is a tube rack consisting of two waffer cassettes and usually made from metal. The microtubes can be placed between the two cassettes to keep the tube lips tightly closed during incubation in the boiling water.
http://staff.tuhsd.k12.az.us/gfoster/standard/labeq.htm or http://www.cartage.org.lb/en/themes/Sciences/Chemistry/Analyticalchemistry/LabEquipment/LabEquipment.htm will help
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what is a gas measuring tube
A test tube rack is a piece of laboratory equipment used to hold and organize test tubes. It typically has openings where test tubes can be inserted securely in an upright position. Test tube racks are used to store, transport, or organize test tubes during experiments and laboratory work.
A test tube rack is used to hold test tubes upright to keep them from spilling.
A test tube rack is used to hold test tubes upright to keep them from spilling.
I think the test tube rack is used to hold any amount of chemical or liquid during an experiment.
used to place the test tube . :D hahaha
Test tube rack is use to hold test tube when they are not in use.
It is not recommended to place a hot test tube directly into a test tube rack as this can cause damage to both the test tube and the rack. It is advised to allow the test tube to cool down before placing it in the rack to prevent any accidents or mishaps.
A test tube rack.
Test tube racks are used to support the test tubes but unlike the test tube holder, it can store the test tubes without anyone who will hold the rack... hope this helps!
To hold test tubes when collecting powders or observing it :)
A test tube rack is used to hold up test tubes. This is so they do not tip over and spill what is in them.
The westergren rack is a student physiology practical apparatus that holds the westergren tube and is used in the determination of erythrocyte sedimentation rate ESR.