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Fun Quiz CHEMISTRY IN DAILY LIFE CHEMISTRY IS A BIG PART OF EVERYDAY LIFE. YOU FIND CHEMISTRY IN DAILY LIFE IN THE FOODS YOU EAT, THE AIR CHEMISTRY DOESN’T MAKE OUR LIVES EASIER, IT MAKES THEM POSSIBLE. HERE’S A LOOK AT SOME EVERYDAY CHEMISTRY. YOU BREATHE, YOUR SOAP, YOUR EMOTIONS AND LITERALLY EVERY OBJECT YOU CAN SEE OR TOUCH. 5. The organic molecules of the chemical named ……. in sunscreen lotions absorb the ultraviolet radiations from sunlight and release it as heat. 1. Water, which occupies 70% of the earth’s surface, is made by two chemical elements, they are a. Hydrogen and oxygen b. Oxygen and Carbon c. Carbon and hydrogen d. Hydrogen and sulphur a. b. c. d. 6. Smoking is harmful to all parts of the body, especially the lungs. The chemical present in tobacco that affects the lungs is a. Nicotine b. Dopamine c. Caffeine d. Carbon 2. We all can look up to the sky and see its beautiful blue colour. This is due to the phenomenon a. b. c. d. Diffusion of light Avogadro’s law Rayleigh scattering None of the above 7. Many vegetables and fruits are strongly coloured because they contain a special kind of chemical compound named a. Carotenoid b. Plasmid c. Plastid d. None of the above 3. Plastics have changed life styles and conveniences in home from refrigerators to mixies and from washing machines to water filters. They are made up of a. Polymers b. Carbon c. Monomers d. All of them 4. Soaps and detergents are cleansing products that we frequently use in our daily lives. They clean by acting as a. b. c. d. 8. Why it keeps us awake, why you think we feel sleepy sometimes even when we are not tired, the reason is a hormone Purifier Emulsifier Cleanser Deodorant SCIENCE REPORTER, APRIL 2011 Avobenzone Anthranilates Titanium dioxide Zinc oxide a. b. c. d. 32 Adrenaline Adenosine Thyroxine Serotonin Fun Quiz 13. The use of chemicals or drugs to selectively destroy infectious micro-organisms without destroying the live tissues or the host, is known as 9. Cooking and baking is one of the major activities we do daily that involves chemistry. A chemical frequently used in baking is a. b. c. d. Sodium bicarb Hydrogen peroxide Sodium chloride Sodium hydroxide a. b. c. d. 14. Perfumes have pleasant smell due to the presence of chemicals used in their synthesis, these are 10. Yogurt, breads, cakes and many other products are formed by the multiplication of certain useful bacteria and the process is called a. b. c. d. Chemotherapy Gene therapy Drug therapy Plastic surgery a. b. c. d. Dehydration Fermentation Calcination Dehydrogenation Aniline Glycerine Esters Stearic acid 15. Sterilization is the process of complete elimination of microorganisms. The chemicals used for sterilization are classified as: 11. Coffee keeps you awake because of the presence of a chemical called a. Nicotine b. Adenosine c. Caffeine d. Alcohol a. b. c. d. Antiseptics Disinfectants a and b both None of the above 16. They are produced by micro-organisms that are toxic to other micro organisms. They are called a. b. c. d. 12. You must have experienced that you shed tears while cutting the onion. This is due to the presence of a. Sulfur in the cells b. Carbon in the cells c. Fat in the cells d.Amino acid in cells the Antacids Antiseptic Antibiotics Antihistamine ANSWERS: 1. a 7. a 13. a 33 2. c 8. b 14. c 3. a 9. a 15. c 4. b 10. b 16. c 5. b 11. c 6. a 12. a SCIENCE REPORTER, APRIL 2011