apparatus
used to chemical test
this is a laboratory apparatus, usually use in holding substances. for example test tube...
A clamp or test tube holder is typically used to hold a test tube in distillation setups to secure it in place during the distillation process.
A laboratory apparatus made of wood could be a wooden test tube rack, used to hold and organize multiple test tubes. Another example is a wooden drying rack for glassware or other items that need to air dry. These wooden apparatus are typically used in teaching or research labs where alternative materials are preferred.
the answer is none
This really isn't something that requires an instruction manual ― it's a cork. You place it in a test tube if you intend on shaking the contents. How do you use it? Again...not a complicated process. Fit it inside the test tube.
The test tube holder has many functions. It can be used to hold test tubes, making it easy to investigate the contents of the test tubes. These holders can also be used to hold stirring rods used in the laboratory and pipettes.
A test tube rack.
Test Tube brushes are used to easily clean the test tubes .
beaker test tube test tube holder test tube brush volumetric flask erlenmeyer flask florence flask round bottom flask watch glass evaporating dish wire gauze Bunsen burner thermometer burette pipette stirring rod tripod funnel dropper graduated cylinder centrifuge spatula reagent bottle
The most commonly used apparatus in chemical lab. is a Test tube, every chemical or its chemical properties are checked with the help of test tube.