#Polya

Effect of concentration of electrolyte on the products of electrolysis

Effect of electrodes on the products of electrolysis

Inert electrode cell

Metal couple cells

Extracting metals from their oxides by carbon reduction

Investigate the redox reactions between common oxidizing agents and reducing agents

Properties of sulphuric acid and nitric acid of different concentrations

Investigate the migration of ions using a moistened filter paper

Colours of common ions in aqueous solutions

Determine the concentration of ethanoic acid in vinegar by titrating against standard NaOH(aq)

Determine the concentration of HCl(aq) by titrating against standard Na2CO3(aq)

Preparation of standard Na2CO3 solution

How to use the titration apparatus? （Pipette, Burette, Volumetric flask, Conical flask)

Burning of crude oil & Distillation of crude oil

Investigating the action of dilute alkali on metal ions to form metal hydroxide precipitates

Investigating characteristics and reactions of dilute acids

Redox titration 2 - Determine the hypochlorite content in bleach

Action of water on sodium, potassium and iron

Comparing the reactivity of calcium and magnesium

Redox titration 1 - Determine the ferrous content of iron tablet by KMnO4

Thin-layer chromatography: Determine the active ingredient in painkillers

Determining the empirical formula of magnesium oxide

Test with 2,4-dinitrophenylhydrazine and Test with Tollens' reagent

Displacement reaction of zinc and copper(II) oxide