Ads block
LIFE CYCLE OF PESTS AND PARACITES
INTRODUCTION Pests Pests are living organisms that cause damage to livestock, crops, humans or land fertility. Pests cause damage to crops and livestock…
Read more »
EXTRACTION OF MINERALS
INTRODUCTION Most metals appear naturally as compounds in their ores. These ores are not useful for anything, therefore, in order to work with them, the pu…
Read more »
RUSTING
INTRODUCTION When reactive metals come into contact with oxygen and moisture, oxides of those metals are produced. This process is known as oxidation. Mo…
Read more »
ORGANIC CHEMISTRY. PART 3
PETROCHEMICALS Petrochemicals are chemicals made from petroleum (crude oil) and natural gas. Petroleum and natural gas are made up of hydrocarbon molecules…
Read more »
ORGANIC CHEMISTRY. PART 2
Isomers Isomerism is the phenomena whereby certain compounds, with the same molecular formula, exist in different forms owing to their different organisat…
Read more »
ORGANIC CHEMISTRY. PART 1
Organic chemistry Organic chemistry is the scientific study of the structure, properties, composition, reactions, and preparation of carbon-based compounds…
Read more »
