Sometimes you'd hold it on a retort stand, other times it'd be more practical to hold it with tongs
You should always hold a test tube that you are heating with a pair of tongs (normally wooden)
tilt the test tube slightly to the side, away from you
With tongs, just below the top of it.
cant hold oxygen
When heating a test tube with any substance in it, you hold it with a test tube holder, pointed away from you and other people.
The typical one ...2800 gallons.
iron ring is used in Bunsen burner and it is adjustable
YES!!! me and my cuz are trying it right now and it's GOLDEN BROWN TO A DARK BROWN!! its so cool!!! U Should Try It!!! just hold it on a lightbulb!!P.S. it=leave
Sometimes you'd hold it on a retort stand, other times it'd be more practical to hold it with tongs
A rack with holes which is designed to hold test-tubes.
testtube holder-use to hold testube
cant hold oxygen
The iron ring is used to hold glassware or other devices in the laboratory, especially during heating.
Test Tube racks are used in Chemistry to store and hold test tubes. Because test tubes have a rounded bottom they cannot stand on thereselves, therefore the rack holds and stores them.
China dish is used to hold certain chemicals during heating especially in sublimation and also used to mix different types of chemical.
When heating a test tube with any substance in it, you hold it with a test tube holder, pointed away from you and other people.
it is used to hold the beaker while it is heating.
it is used to hold the beaker while it is heating.
The iron stand is used as a piece of laboratory equipment. It is meant to support an iron ring in order to hold items like beakers and flasks during heating.
Yes especially during war time.