chemistry in daily life cleared notes.pptx

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1. Chemisty in our daily life BY V.SAROJINI

2. CONTENTs Introduction The day we start with – Toothpaste Chemistry at coffee and breakfast Why do onion make us cry Chemistry of emotions Body composition Chemistry in food production Chemistry of alcoholic drink and cigarette Chemistry in digestion Chemistry in cosmetics Chemistry in soap

3. INTRODUCTION We can find chemistry in our daily life such as brushing our teeth, cooking food, eating breakfast, etc We have been using Chemistry in everyday life since time immemorial. Applying lotions, cooking food, washing clothes, and cleaning the house – chemistry has been at work in almost everything. Chemistry is a science discipline used almost everywhere, from photosynthesis to the composition of rocks, because Chemistry deals with matter and its composition in different components of the universe.

4. Chemistry in toothpaste The main ingredient of toothpaste is FLOURIDE It protects from tooth decay..

5. coffee Caffeine – stimulant of CNS. It give refreshment and increase heart rate.

6. Breakfast Fluffy freshly baked bread – the raising agents are yeast and baking powder.

7. cigarette There are 7360 different compounds present in the cigarette smoke . But Nicotine Present in Large amount. .

8. Alcoholic drinks All this alcoholic drinks contains ethanol..It is one type of Alcohol .More than 90 percentage of ethyl alcohol is oxidised to acetic acid . This process occurs in liver . Remainder of alcohol is not Metabolised and excreted either in sweat or urine.

9. Chemistry of emotion The four brain chemicals are, Dopamine Serotonin Oxytocine Entropin

10. Body composition Carbon and oxygen are two essential compounds of the body. The other element present in the body are Nitrogen ,Phosphorous, Hydrogen,Calcium,Potassium etc

11. CHEMISTRY IN DIGESTION After putting food in our mouth ,Different chemical reaction start in our digestive tract..Saliva contains amylase which breakdown the Carbohydrates . Stomach starts to produce Hydrochloric acid.

12. CHEMISTRY IN FOOD PRODUCTION Plants produce food for themselves through Photosynthesis .Which is a complex chemical reaction in itself .The chemical reaction that takes place in photosynthesis is the most common and vital chemical reaction . Animals also release energy for carrying out daily activities.

13. CHEMISTRY IN COSMETICS Cosmetics are generally. a mixtures of chemical compounds some being derived from natural sources and many being synthetic .

14. CHEMISTRY IN SOAP Soaps are made of chemical ingredients . Soaps are sodium or potassium fatty acids salts , produced from the hydrolysis of fats in a chemical reaction called Saponification ..

15. WHY DO ONION MAKE US CRY When an onion is sliced or diced, the onion's cells release these compounds into the air. When this occurs, "enzyme" works to alter the amino acids into lachrymator compounds. This form of sulfuric acid irritates the nerves around the eyes making them tear.

16. Why ice floats on water Ice always floats because it is less dense than regular water. Because frozen water molecules form a crystal, they take up more space and have a lower density than regular liquid water.

17. Chemicals in food preservatives Chemical preservatives ,which delay the growth of microorganisms in food. The most common food preservatives are sodium Benzoate,Sorbic acid ,,Potassium Sorbate , Calcium and Sodium Sorbate , Propionic acid.

18. CONCLUsION It Is Clear Then That Chemistry Plays A Fundamental Role In Our Daily Lives, And Its Impact On Modern Industry Is Undeniable. From The Products We Use In Our Homes To The Technological Advances That Surround Us, Chemistry Drives Innovation And Improves Our Quality Of Life.

19. THANK YOU