Essays Tagged: "tube holder"
The effect of the halogen atom on the rate of hydrolysis
nd I think that this will make it easier for it to react with the silver nitrate.Method. Three test tubes will be placed in a test tube holder. Into each test tube 1 cm" of ethanol will be added. The ... mass of 1-chlorobutane, 1-bromobutane and 1-iodobutane will be added correspondingly. A forth test tube will contain 5 cm" of silver nitrate. All four test tubes will be placed in a water bath set to ...
Subjects: Science Essays > Chemistry
Identifying bond type with physical properties
e type of bonding in some unknown substances using smallest number of tests.Materials:goggles7 test tubestest tube racktest tube holderconductivity apparatusDI waterstir rodsscapulaswell plateBunsen b ... wash bottlemarking pen7 unknown substanceconductivity meterProcedure: Step #1) Mark all seven test tubes from A through G.Step #2) Place your first unknown substance into the test tubes according to ...
Subjects: Science Essays > Chemistry
Biology A level planning experiment of effect of lead ions on amylase
reversible or irreversible, which is put on the amylase.MethodApparatus and substances requiredTest tube holder 2% starch solution6 boiling tubes labelled 1 to 6 1% lead nitrate solution6 test tubes l ... tubes labelled 1 to 6 1% lead nitrate solution6 test tubes labelled A to E, ( F) Dimple tiles5 test tubes labelled A1, B2, C3, D4, E5, (F6) 5 ml syringe1% Amylase solution 4 dropping pipettesStop cloc ...
Subjects: Science Essays > Biology
Experiment Prac Writeup. for reactions between metals and oxygen, water, dilute water and dilute alkali.
5ml dilute (1 mol/L) Sodium Hydroxide (NaOH)* 10 ml dilute (1 mol/L) sulfuric acid (H2SO4)* 14 test tubes* test tube rack* test tube holder taper matches tripod Bunsen Burn ... er, except calcium which can be used without cleaning2. Place each piece in a separate test tube and add about 5mL of distilled water to each. Observe and record any change.3. If React ...
Subjects: Science Essays > Chemistry
Heating Lead Nitrate
ead Nitrate (Pb(NO3)2.Method About three spatulas full of Lead Nitrate was poured into a small test tube. The Bunsen burner was lit in the usual way and set to the hottest flame. Using a test tube hol ... sen burner was lit in the usual way and set to the hottest flame. Using a test tube holder the test tube was carefully positioned about five centimetres above the bases of the flame. The experiment wa ...
Subjects: Science Essays > Chemistry