This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 16 Chemistry In Everyday Life – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 16 Chemistry In Everyday Life Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A group of scouts go camping by the seashore. They have to do all their washing using sea water. What is the most suitable substance for them to wash their clothes? A) Soap. B) Bleach. C) Detergent. D) Antiseptic. Show Answer Correct Answer: C) Detergent. 2. At what temperature is chloroform added to the solution during the caffeine determination process? A) 30$^\circ$C. B) 25$^\circ$C. C) 50$^\circ$C. D) 10$^\circ$C. Show Answer Correct Answer: B) 25$^\circ$C. 3. This is used in giving remedy to the adverse effect of implants except A) Electron Beam Melting. B) Computer Numerically Controlled Procedure. C) Use of Pyrolytic Carbon. D) Use of polymers. Show Answer Correct Answer: D) Use of polymers. 4. Which type of detergent is formed when stearic acid reactswith polyethylene glycol? A) Cationic detergent. B) Anionic detergent. C) Non-ionic detergent. D) None of these. Show Answer Correct Answer: C) Non-ionic detergent. 5. Which of the following enhances leathering property ofsoap? A) Sodium carbonate. B) Sodium rosinate. C) Sodium stearate. D) Trisodium phosphate. Show Answer Correct Answer: B) Sodium rosinate. 6. What is the function of surfactants in cleaning agents? A) To increase water temperature. B) To reduce surface tension of water. C) To add color to the product. D) To thicken the solution. Show Answer Correct Answer: B) To reduce surface tension of water. 7. What is one of the benefits of learning the chemistry of everyday things, as stated in the preface? A) It helps in creating new chemical theories. B) It enables better choices for good health and a clean environment. C) It focuses on the history of chemical discoveries. D) It promotes the use of harmful chemicals in daily life. Show Answer Correct Answer: B) It enables better choices for good health and a clean environment. 8. The element with the highest electronegativity A) Bromine. B) Chlorine. C) Fluorine. D) Iodine. Show Answer Correct Answer: C) Fluorine. 9. What percentage of calcium in cow milk is in colloidal form? A) 33%. B) 50%. C) 67%. D) 75%. Show Answer Correct Answer: C) 67%. 10. Which of the following is a common cationic detergent? A) Sodium lauryl sulfate. B) Sodium tripolyphosphate. C) Cetylpyridinium chloride. D) Sodium carbonate. Show Answer Correct Answer: C) Cetylpyridinium chloride. 11. What is the role of enzymes in detergents? A) To create bubbles. B) To add fragrance. C) To change the color of fabrics. D) To break down specific types of stains. Show Answer Correct Answer: D) To break down specific types of stains. 12. Calcium carbonate $\rightarrow$ Calcium oxide + ..... A) Carbon. B) Carbon dioxide. C) Oxygen. D) Calcium. Show Answer Correct Answer: B) Carbon dioxide. 13. Compounds with antiseptic properties are ..... (i) CHCl3(ii) CHI3(iii) Boric acid(iv) 0.3 ppm aqueous solution of Cl2 A) (i) and (ii). B) (ii) and (iii). C) (i) and (iv). D) (i) and (iii). Show Answer Correct Answer: B) (ii) and (iii). 14. The artificial sweetener containing chlorine that has the appearance and taste as that of sugar and is stable at cooking temperature is A) Aspartame. B) Sucralose. C) Saccharin. D) Alitame. Show Answer Correct Answer: B) Sucralose. 15. The chief constituent of natural gas ..... A) Oxygen. B) Nitrogen. C) Butane. D) Methane. Show Answer Correct Answer: D) Methane. 16. Furacine, soframicine are examples of A) Disinfectant. B) Antiseptics. C) Analgesics. D) Narcotic drugs. Show Answer Correct Answer: B) Antiseptics. 17. Curcumin is a non permitted food colour, Is it true/false A) True. B) Fasle. C) All the above. D) None of the above. Show Answer Correct Answer: B) Fasle. 18. What is the shelf life of whole milk powder due to its propensity to oxidize? A) 3 months. B) 6 months. C) 9 months. D) 12 months. Show Answer Correct Answer: B) 6 months. 19. Which condition is not applicable to speed up rusting? A) Salt water. B) Cold weather. C) Warm weather. D) Oxygen and moisture. Show Answer Correct Answer: B) Cold weather. 20. Which of the following is a common use of chemistry in personal care products? A) To eliminate all chemicals. B) To enhance the texture and effectiveness. C) To create new colors. D) To increase the weight of products. Show Answer Correct Answer: B) To enhance the texture and effectiveness. 21. Chloroamphenicol is an A) Antifertility drug. B) Antihistaminic. C) Antiseptic and disinfectant. D) Antibiotic-broad spectrum. Show Answer Correct Answer: D) Antibiotic-broad spectrum. 22. What is the primary benefit of understanding chemistry in food? A) To make food taste better. B) To understand nutritional value and safety. C) To increase food prices. D) To eliminate all preservatives. Show Answer Correct Answer: B) To understand nutritional value and safety. 23. Antiseptics are applied on A) Wounds. B) Floors. C) Drainage System. D) None of the above. Show Answer Correct Answer: A) Wounds. 24. Which of the following is the example of how combustion reactions are used? A) To generate electricity. B) To cook food. C) To power cars. D) All the above. Show Answer Correct Answer: D) All the above. 25. Salts of sorbic acid and propionic acid are used as A) Antioxidants. B) Flavouring agents. C) Food preservatives. D) Nutritional supplements. Show Answer Correct Answer: C) Food preservatives. 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