Which substances/ solution are electrolytes Ex 7.2 p.83 NC4U

Which substances/ solution are electrolytes Ex 7.2 p.83 NC4U :

HazCard : 18, 27C, 40A, 98A, 108A

• Power supply or battery

• 3 X Black and red leads 

• Bulb and holder

• 2 X Crocs clips

• Carbon electrode from tray 

• solution of :

  • Potassium chloride (Strong Electrolytes)

  • Sucrose 0.1 M(Nonelectrolyte)

  • Ethanol  (Nonelectrolyte)

  • Sodium iodide (Strong electrolyte)

  • Zinc bromide (Strong electrolyte)

  • Sulfuric acid (Strong electrolyte)

  • Glucose 0.1 (Nonelectrolyte)

  • Copper(II) sulphate (Soluble salts Strong electrolyte)

  • Calcium hydroxide Saturated (Strong Bases, Strong Electrolytes)