GCSE May 2019

GCSE May 2019 

Question 1 :

• 50 cc of aqueous barium nitrate, Ba(NO3), of concentration              0.33 M/dm3 labelled Aqueous barium nitrate

• 75 (to fill up burette) cc of aqueous sodium carbonate, Na2CO3, of concentration        0.33 M/dm3 labelled Aqueous sodium carbonate

• Access to water and distilled water

• 10cc measuring cylinder

• 50cc burette with stand and clamp

• funnel for filling burette

• 6 X identical test tubes, capable of holding 15cc

• Test tube rack

• glass rod

• stop-clock

• marker pen for glass ware

• ruler with millimeter graduation

• teat pipette

• safety glasses

 Question 2 :

• 10cc of aqueous hydrochloric acid 2 M/dm3 in a stoppered test tube labelled Solution F

• 0.1g of powder  calcium carbonate, CaCO3, in a stoppered boiling tube labelled solid G 

• Aqueous barium nitrate (from A level poly-stop bottle)

• Aqueous silver nitrate (from A level poly-stop bottle)

• Aqueous nitric acid 1.0 M (from A level poly-stop bottle)

• Aqueous sodium hydroxide 1.0 M (from A level poly-stop bottle)

• Aqueous ammonia 1.0 M (from A level poly-stop bottle)

• 3 cm strip of magnesium ribbon

• Lime water and apparatus used to test CO2

• Distilled water

• pH indicator paper and chart

• Red and blue litmus paper

• 10 cc measuring cylinder

• Splint

• Bunsen burner and heat proof mat (means to light it)

• Rack of test tubes

• Teat pipettes

• Spatula