Who discovered Safety lamps?
Sir Humphry Davy
Sir Humphry Davy
Jhon Dalton
Joseph Priestly
Robert William Boyle is known as ‘Father of Modern Chemistry’.He was an Anglo Irish scientist and was borned in Ireland. He was the first to perform experiments under controlled conditions and publish his researches with elaborate details of procedure, apparatus and observations. Robert Boyle put chemistry on a firm scientific footing transforming it from alchemy …
The contribution of chemistry in Medicines are :- 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 penicillin, and other medicines are used to kill germs and cure …
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The contribution of chemistry in National Defence:- Substances like gunpowder, T.N.T. (trinitrotoluene), phosgene, chemical weapons, laughing gas, etc.
The contribution of chemistry in Cosmetics are:- The use of powder, skincare creams, lipsticks, eyes and facial make up, deodorants, lotions, perfumes, bathing oil, baby products, etc. It is possible to convert various ingredients into usable cosmetics due to knowledge of chemistry
Clothes guard our body from the external environment. Formation of clothing begins with the knowledge of conversion of fibres into fabrics. Fibres can be natural or synthetic for us. Chemistry is widely used in textile industry which manufactures clothing. Earlier only the natural fibres were known to man such as cotton, jute, silk, etc. which …
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The contribution of chemistry in Industry is to improve efficiency and production of metals, paper, plastics, alloys, paints, textile, pharmaceuticals, electroplating, cosmetics, synthetic fibres etc.
Importance of chemistry plays an important role to mankind by providing us with things of daily use like toothpaste,detergents, soap, paints, clothes, medicines, fertilisers, pesticides, plastics, in preparing fuels, consumer products like paper, pencils, pens, in substances u sed in defence like gunpowder, etc. I