The general formula for alkanes is as follows: CnH2n+2 (where “n” is a constant) The first ten members of the …
Organic Chemicals
Organic chemistry is the study of carbon compounds. The number of different organic compounds which are known is well over …
Contact Process
The contact process is the name given to the process by which sulphuric acid is produced. Sulphuric acid has many …
Haber Process
The Haber process is the process by which Ammonia is produced. Simply put, it involves combining Nitrogen and Hydrogen together …
Carbon Cycle
The carbon cycle is simply the process by which Carbon Dioxide is put into and removed from the atmosphere. This …
Water Purification
There are 3 main processes undertaken in the water purifying process: Filtration Bacterial Oxidation Chlorine Treatment The different stages are …
Water Softening
Temporary Hard Water This is caused by calcium or magnesium hydrogen-carbonate. It can be removed by boiling the water. Ca(HCO3)2 (aqueous) …
Scum Formation
Soap contains salts such as sodium stearate and sodium palmitate and when calcium ions in hard water mix with soap, …
Hard Water
Hard water does not produce as much lather as soft water when it is used with soap and also an …
Leaf Structure
1. Waxy Cuticle – Forms a waterproof layer to stop any loss of water. 2. Upper Epidermis – Consisting of epidermal cells. These have …