CONTENT ⦁ Definition of Acid ⦁ Strength of an Acid ⦁ Basicity of an Acid ⦁ Characteristics of Acid (Physical […]
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Iron Iron is the most important element in the industry. It is the second most abundant element on the earth […]
Tin Tin does not occur naturally as a free element. The main source is the mineral cassiterite or tin stone, […]
Calcium Calcium is too reactive to occur as a free metal in nature. It occurs abundantly in the combined state […]
Metals Physical Properties of Metals The physical properties of elements are dependent on the arrangement of their atoms or molecules […]
Carbohydrates (saccharides) – Molecules consist of carbon, hydrogen and oxygen atoms. It is a major food source and a key […]
Polymers are giant molecules which are formed by joining together a large number of much smaller molecules thus, forming a […]
Amino Acids Amino acids are the basic structural units of proteins. Amino acids are organic compounds which contain both an amino group […]
Fats and Oils Fats and oils are naturally-occurring esters of three long carboxylic acids called fatty acid with a special type of alcohol called glycerol ( propane- […]
Alkanoates or Esters Ethyl Ethanoates All esters are similar chemically although they may vary in degree of reactivity. Ethyl ethanoate […]