Ucles 2018 9701-33-CI-O-N-18

Ucles 2018 9701-33-CI-O-N-18 :                     HazCard: No Hazcard for Exam

For Each candidate

• 1 X 25 cc mesuring cylinder

• 1 X 250 cc beaker

• 2 X foam plastic (Polystyrene) cup appr. 150 cc

• 1 X thermometer

• 1 X spatula

• 1 X glass rod

• 1 X stop-clock

• 2 X boiling tubes (+Rack)

• 4 X test tubes and Rack

• 1 X test tube holder

• 2 X teat pipette

• 1 X Bunsen and heat proof mat

• goggles

• Balances (X 4 on the back bench or on middle bench if small group)

Solution

• FA1 70cc .095 mol/dm3 Copper (II) Sulfate -> 237.12g CuSO4 in 1 dm3 solution

• FA2 0.7-0.8g  Magnesium powder                -> in stoppered container (Sample tube) same powder should be used for each candidate

• FA3 3.0-3.2 g Zinc powder                              -> in stoppered container (Sample tube) same powder should be used for each candidate

• FA4 10cc 0.07 mol dm3 Ammonium vanadate(V) in 3.7 mol dm3 sulfuric acid ->  *

                                (Add 800cc 1.0 mol H2SO4 to 8.2 g NH4VO3).

                               Carfully add 160CC concentrated H2SO4 and stir to dissolve solid. 

                               Make up the solution up to 1 dm3 with distilled water

                               (Suppliers may provide NH4VO3 as ammonium vanadate(V) ammonium metavanadate or ammonium polytrioxovanadate)

*Make 3.7M H2SO4-> 101ml conc. --> 500ml with distilled H2O and add 4.1g NH4VO3, dissolve m ake to 500mls in volumatic flask

• FA5 5cc of 1.0 mol dm3 sulfuric acid 

• Aqueous potassium iodide 2 cc 0.5 mol dm3 potassium iodide -> Dissolve 83.0g KI in 1 dm3 of solution

• Aqueous Sodium Thiosulfate 5cc of 0.5 mol dm3 sodium thiosulfate ->Dissolve 124.10 g of Na2S2O3 5H2O in 1 dm3 of solution

Reagent (Under A level Cupboard Chem Prep.)

• Dilute HCl

• Dilute Nitric acid

• Dilute Sulfuric acid

• Aqueous ammonia

• Aqueous sodium hydroxide

• 0.1 mol dm3 Barium nitrate (or Barium Chloride)

• 0.05 mol dm3 Silver Nitrate

• Limewater

• Acidified 0.02 mol dm3 potassium manganate(VII) -> Dissolvew 3.16g KMnO4 in 1 dm3 of solution. Each dm3 of solution should contain 250 cc of 1.0 mol dm3 H2SO4

• Red and Blue litmus paper

• Aluminum foil for testing nitrate,nitrite

• Wooden splints and apparatus for lime water (Testing CO2)