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A piece of rubber put into the opening of a test tube to prevent spillage?
a stopperType your answer here... 2166736d-9a25-4e71-b79f-541bf832d1ef 1.03.01
What are rubber stoppers?
use to cover the test tube, basically like a cork.
What happens to iron placed in a test tube with a stopper?
Iron and oxygen in a test tube alone will not react (observed by placing a piece of iron in a test tube with a stopper).Iron and water in a test tube alone will not react (observed by completely submerging a piece of iron in water in a test tube with a stopper).Iron, water and oxygen in a test tube will react (observed by placing a piece of iron in a test tube and submerging half of it with water). The following reaction will take place: iron + water + oxygen ----> hydrated iron(III) oxide. Hydrated iron(III) oxide is the chemical name for rust, which will appear as orange flaking on the piece of iron. To speed up this reaction you can use a bit of salt as a catalyst.
What are five pieces of lab equipment that would hold a test tube in a beaker of boilin water above a buinsen burner?
Test tube holder with spring clamp Test tube rack Test tube clamp attached to a retort stand G-clamp to secure the test tube holder to a stable surface Tongs with rubber-coated ends for handling the test tube safely in the boiling water.
What do you call a piece of metal used to hold and support glassware?
for test tube you will need a test tube holder , and for hot glassware you will need a crucible tongs. Enjoy
Why do you flame the opening of a test tube or flask when removing by holding it ABOVE the flame?
Heat rises.
What is test tubes and how is it use?
A test tube, also known as a culture tube, is a piece of laboratory glassware composed of a finger-like length of glass tubing, open at the top, with a rounded U-shaped bottom. Often, the top features a flared lip. This is to aid pouring of a liquid from the test tube to a beaker. A distinction between test tube and culture tube is often made, calling a tube with a lip a test tube and one without a lip a culture tube
What is test tubes and how it is used?
A test tube, also known as a culture tube, is a piece of laboratory glassware composed of a finger-like length of glass tubing, open at the top, with a rounded U-shaped bottom. Often, the top features a flared lip. This is to aid pouring of a liquid from the test tube to a beaker. A distinction between test tube and culture tube is often made, calling a tube with a lip a test tube and one without a lip a culture tube
When baking soda is added vinegar what are the bubbles that are formed made of?
We can see the bubbles in the test tube and effervesence can be seen. If you close the test tube with your thumb you can feel the pressure producing. for some burning gases you can check by intoducing the opening of test tube to flame.
What is a rubber tube?
a tube made out of rubber you retard.
What is a rubber tube and how is it used?
it is a tube
What is a testube rack and how is it used?
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.
