Chemistry

Preparation of nitric oxide from nitric acid

Preparation of nitric acid from potassium nitrate and sul-phuric acid

The charcoal filter and its practical application

Preparation of iron from oxidic ores (blast furnace process)

Hydrogen chloride I

Electrical conductivity of acids

Neutralisation - neutralisation enthalpy

Electrical conductivity of aqueous solutions

Ionic migration

Principle

If a sub-layer of copper (II) sulphate and potassium hexacyanoferrate (III) is introduced into a solution of ammonium hydroxide and ammonium sulphate in a U-tube with the help of a suspended level bulb (dry vessel) and a DC voltage is applied, it can be se ...

Heat of solution - enthalpy of solution

Electrolysis of acids

Electrolytic deposition and quantity of electricity (Fara-day's first law)

Molten-salt electrolysis of lead chloride

Hydrogen in the redox series: normal hydrogen electrode

Dependence of the reaction velocity on the type of substanceII