This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > 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 (60 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) Bleach. B) Soap. C) Antiseptic. D) Detergent. Show Answer Correct Answer: D) 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) 10$^\circ$C. D) 50$^\circ$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) Trisodium phosphate. B) Sodium carbonate. C) Sodium rosinate. D) Sodium stearate. Show Answer Correct Answer: C) Sodium rosinate. 6. What is the function of surfactants in cleaning agents? A) To thicken the solution. B) To reduce surface tension of water. C) To add color to the product. D) To increase water temperature. 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) Iodine. D) Fluorine. Show Answer Correct Answer: D) Fluorine. 9. What percentage of calcium in cow milk is in colloidal form? A) 75%. B) 67%. C) 33%. D) 50%. Show Answer Correct Answer: B) 67%. 10. Which of the following is a common cationic detergent? A) Sodium tripolyphosphate. B) Cetylpyridinium chloride. C) Sodium lauryl sulfate. D) Sodium carbonate. Show Answer Correct Answer: B) Cetylpyridinium chloride. 11. What is the role of enzymes in detergents? A) To break down specific types of stains. B) To create bubbles. C) To add fragrance. D) To change the color of fabrics. Show Answer Correct Answer: A) To break down specific types of stains. 12. Calcium carbonate $\rightarrow$ Calcium oxide + ..... A) Carbon. B) Carbon dioxide. C) Calcium. D) Oxygen. 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) Alitame. C) Saccharin. D) Sucralose. Show Answer Correct Answer: D) Sucralose. 15. The chief constituent of natural gas ..... A) Butane. B) Methane. C) Nitrogen. D) Oxygen. Show Answer Correct Answer: B) Methane. 16. Furacine, soframicine are examples of A) Disinfectant. B) Analgesics. C) Antiseptics. D) Narcotic drugs. Show Answer Correct Answer: C) 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) 6 months. B) 12 months. C) 9 months. D) 3 months. Show Answer Correct Answer: A) 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) Food preservatives. C) Nutritional supplements. D) Flavouring agents. Show Answer Correct Answer: B) Food preservatives. 26. How does the book aim to make learning chemistry easy and interesting for students? A) By focusing only on theoretical concepts. B) By including pictures, chemical formulas, and relatable examples. C) By avoiding discussions on environmental issues. D) By emphasizing memorization of chemical equations. Show Answer Correct Answer: B) By including pictures, chemical formulas, and relatable examples. 27. Other name for monosodium glutamate (MSG) A) Autolysed yeast. B) Hydrolysed protein. C) Ajinomoto. D) Soy protein isolate. E) All the above. Show Answer Correct Answer: E) All the above. 28. Which of the following substances is used as a food flavoring agent? A) Ascorbic acid. B) Sodium nitrite. C) Monosodium glutamate. D) Azo compound. Show Answer Correct Answer: C) Monosodium glutamate. 29. What's an example of a bacterial infection? A) Measles. B) Black Death. C) Salmonella. D) AIDS. Show Answer Correct Answer: C) Salmonella. 30. A student mixes apple juice, water, and cinnamon together. Did a chemical reaction occur? A) Yes, because dissolving is always a chemical reaction. B) Yes, because the temperature stayed the sam. C) No, because the properties stayed the same. D) Yes, because the apple juice changed the color of the water. Show Answer Correct Answer: C) No, because the properties stayed the same. 31. Seorang siswa memasukkan potongan magnesium ke dalam alat seperti pada gambar, lalu menambahkan larutan HCl untuk mengamati reaksi yang terjadi. Terlihat gelembung gas terbentuk di dalam alat tersebut. A) Gelas ukur. B) Labu takar. C) Pipet Volumetri. D) Tabung reaksi. E) Buret. Show Answer Correct Answer: D) Tabung reaksi. 32. Which of the following is used as sweetener in diet drinks, low calories frozen desserts and soft drinks? A) Sodium benzoate. B) Aspartame. C) Sodium nitrite. D) Sucrose. Show Answer Correct Answer: B) Aspartame. 33. Soaps can be classified as A) Alcohols. B) Esters. C) Salts of fatty acids. D) Phenols. Show Answer Correct Answer: C) Salts of fatty acids. 34. Arrange the following artificial sweeteners in increasingorder of their sweetness value? A) Saccharine < Aspartame < Sucralose < Alitame. B) Aspartame < Sucralose < Saccharine < Alitame. C) Sucralose < Saccharin < Alitame < Aspartame. D) Aspartame < Saccharin < Sucralose < Alitame. Show Answer Correct Answer: D) Aspartame < Saccharin < Sucralose < Alitame. 35. Magnesium + oxygen $\rightarrow$ magnesium oxideIf you started with 5g of magnesium and 2.5g of oxygen, what mass of magnesium oxide would be produced? A) 7.5g. B) 5g. C) 2.5g. D) 10g. Show Answer Correct Answer: A) 7.5g. 36. Antiseptics and disinfectants either kill or prevent growthof microorganisms. Identify which of the followingstatements is not true: A) Chlorine and iodine are used as strong disinfectants. B) Dilute solutions of boric acid and hydrogen Peroxideare strong antiseptics. C) Disinfectants harm the living tissues. D) A 0.2% solution of phenol is an antiseptic while 1%solution acts as a disinfectant. Show Answer Correct Answer: B) Dilute solutions of boric acid and hydrogen Peroxideare strong antiseptics. 37. Alkaline hydrolysis of esters is known as A) Saponification. B) Alkalination. C) Esterification. D) Dehydration. Show Answer Correct Answer: A) Saponification. 38. IR spectrum is a plot of A) Peak area versus wavenumber. B) % transmittance versus time. C) Peak area versus time. D) % transmittance versus wavenumber. Show Answer Correct Answer: D) % transmittance versus wavenumber. 39. Sweetener use is limited to cold food stuff only A) Sucralose. B) Aspartame. C) Alitame. D) Saccharine. Show Answer Correct Answer: B) Aspartame. 40. Amoxicillin is a medicine that has the same function as penicillin. What is its function? A) Treat psychotic patient. B) Relief pain. C) Stimulate the body to produce antibody. D) Treat bacterial infections. Show Answer Correct Answer: D) Treat bacterial infections. 41. Which of the following is a source of radioactive pollution? A) Noise levels. B) E-waste. C) Oil spills. D) Soil erosion. Show Answer Correct Answer: B) E-waste. 42. What is the substance present in hand warmers that react with air to warm the hands during winter? A) Iron fillings. B) Sodium. C) Copper powder. D) Salt. Show Answer Correct Answer: A) Iron fillings. 43. Photosynthesis and Respiration both occur in plants. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 44. Antiseptics is an example of antimicrobial drugs A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 45. A sudden increase in volume which leads to the release of both energy and gases is called A) Combustion. B) Explosion. C) Burning. D) Respiration. Show Answer Correct Answer: B) Explosion. 46. Approximate cabon composition of petrol is ..... A) C5 to C7. B) C7 to C9. C) C5 to C10. D) C1 to C4. Show Answer Correct Answer: B) C7 to C9. 47. Which of the following hormones is used to treat asthma? A) Cortisone. B) Penicillin. C) Amphetamine. D) Insulin. Show Answer Correct Answer: A) Cortisone. 48. Which branch of chemistry deals with the study of carbon compounds? A) Organic Chemistry. B) Analytical Chemistry. C) Inorganic Chemistry. D) Physical Chemistry. Show Answer Correct Answer: A) Organic Chemistry. 49. Which vitamin is found in citrus fruits and prevents scurvy? A) Vitamin D. B) Vitamin C. C) Vitamin A. D) Vitamin B. Show Answer Correct Answer: B) Vitamin C. 50. Which of the following are NOT signs that a chemical reaction occured? A) The properties changed. B) Smells different. C) Color stays the same. D) Bubbles of gas formed. Show Answer Correct Answer: C) Color stays the same. 51. What is the moisture content of non-fat dry milk powder? A) 4 per cent. B) 3 per cent. C) 1 per cent. D) 2 per cent. Show Answer Correct Answer: B) 3 per cent. 52. Which of following chemical inhibit the enzyme which catalyse the degradation of noradrenaline? A) Equanil. B) Nardil. C) Valium. D) Veronal. Show Answer Correct Answer: B) Nardil. 53. The word anti-inflammatory refers to a drug that helps ..... A) Relieve or prevent pain. B) Decreasing stomach acidity. C) Reducing Swelling. D) Reducing fever. Show Answer Correct Answer: C) Reducing Swelling. 54. What is the main function of antioxidants in skincare products? A) To change the color of the product. B) To enhance fragrance. C) To provide moisture. D) To protect against free radical damage. Show Answer Correct Answer: D) To protect against free radical damage. 55. Which of the following is an example of an extensive property? A) Boiling point. B) Color. C) Density. D) Mass. Show Answer Correct Answer: D) Mass. 56. Which among the following is an artificial sweetner? A) Citric acid. B) Alizarin. C) Aspartame. D) Sucrose. Show Answer Correct Answer: C) Aspartame. 57. Shaving soaps contain glycerol to A) Prevent it from foam formation. B) Prevent rapid drying. C) Make it colorful. D) Add odour to. Show Answer Correct Answer: B) Prevent rapid drying. 58. Which of the following is the active ingredient in Aspirin? A) Ibuprofen. B) Caffeine. C) Acetylsalicylic Acid. D) Acetaminophen. Show Answer Correct Answer: C) Acetylsalicylic Acid. 59. When Iron rusts, its weight A) Increases. B) Decreases. C) Remains constant. D) None of the above. Show Answer Correct Answer: A) Increases. 60. Commonly used antiseptic 'Dettol' is a mixture of A) Phenol + terpeneol. B) Chloroxylenol + terpeneol. C) O-cresol + terpeneol. D) O-chlorophenozylenol + terpeneol. Show Answer Correct Answer: B) Chloroxylenol + terpeneol. 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