Question

What is the contribution of chemistry in the following fields?
a) Industry
b) Clothings
c) Cosmetics
d)National Defence
e) Medicines

Answer 1

Contribution of chemistry in the field of:
a) Industry: To improve efficiency and production of metals,paints,paper,plastics,alloys,textile,pharmaceuticals,electroplating,cosmetics,synthetic fibres etc.
b)Clothings: Chemistry is widely used in textile industry which manufactures clothing for us.Clothes guard our body from external environment.
Formation of clothing beings with the knowledge of conversion of fibres into fabrics. Fibres can be natural or synthetic.Earlier only natural fibres were known to man such as cotton,jute,silk,wool etc.which are used to produce dress materials,sarees,bags,sweaters, shawls,etc.With more development,synthetic fibres were also made such as nylon,terlyene etc. These fibres are strong,wrinkle resistant and dry quickly.They are used to make towels,bed sheets,bags,curtains,carpets,blankets,dress materials , etc.
c) Cosmetics: The use of talcum powder,skincare creams,lipsticks, eyes and facial make up, deodorants,lotions,perfumes, bathing oil, body butter,baby products etc. It is possible to convert variuos ingredients into usable cosmetics due to knowledge of chemistry.
d) National Defence:Substances like gunpowder, T.N.T.(tritrotoluene), phosgene,chemical weapons,laughing gas, etc. are all products of chemistry which contribute to the natural defence.
e) Medicines: Extensive researches by chemists have led to the discovery of number of medicinal drugs.These drugs help in fighting diseases and have thus increased the life span of human beings.
Examples: Aspirin,paracetamol,antibiotics like,penicilin, tetracycline,antiseptics and various other medicines used to kill germs and cure diseases and their symptoms.