Chemistry and its Importance Welcome to your Chemistry and its Importance Which of the following is not a fertiliser Urea Calcium Ammonium Sulphate BHC(Benzene Hexachloride) Matter is composedof tiny particles called Compounds Elements Molecules Atoms Chlorine is used to Purify water Make mats Preserve Jams In Toothpaste Who proposed the modern atomic theory? Lavoisier Mendeleev John Dalton Robert Boyle The scientist involved in discovery of processes to convert ordinary metals into gold are Physicist Zoologist Alchemist Biologist Which of the following is not a medicine? Streptomycin Ampicillin DDT Penicillin Which of the following is not a Petrochemical? Coal Diesel Petrol Kerosene Cotton, Wool, Jute and Silk are Pesticides Fertilisers Cosmetics Natural fibres The Latin word Scientia means Fibre Scientist Knowledge Science Chemistry is the branch of Science which deals with the study of Chemical properties of substances Physical properties of substances Metals and non metals Composition, properties of substances and their interaction with other substances Time is Up!
