Class 12 Chemistry (Part Ii) Chapter 16 Chemistry In Everyday Life Quiz 1 (60 MCQs)

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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?
2. At what temperature is chloroform added to the solution during the caffeine determination process?
3. This is used in giving remedy to the adverse effect of implants except
4. Which type of detergent is formed when stearic acid reactswith polyethylene glycol?
5. Which of the following enhances leathering property ofsoap?
6. What is the function of surfactants in cleaning agents?
7. What is one of the benefits of learning the chemistry of everyday things, as stated in the preface?
8. The element with the highest electronegativity
9. What percentage of calcium in cow milk is in colloidal form?
10. Which of the following is a common cationic detergent?
11. What is the role of enzymes in detergents?
12. Calcium carbonate $\rightarrow$ Calcium oxide + .....
13. Compounds with antiseptic properties are ..... (i) CHCl3(ii) CHI3(iii) Boric acid(iv) 0.3 ppm aqueous solution of Cl2
14. The artificial sweetener containing chlorine that has the appearance and taste as that of sugar and is stable at cooking temperature is
15. The chief constituent of natural gas .....
16. Furacine, soframicine are examples of
17. Curcumin is a non permitted food colour, Is it true/false
18. What is the shelf life of whole milk powder due to its propensity to oxidize?
19. Which condition is not applicable to speed up rusting?
20. Which of the following is a common use of chemistry in personal care products?
21. Chloroamphenicol is an
22. What is the primary benefit of understanding chemistry in food?
23. Antiseptics are applied on
24. Which of the following is the example of how combustion reactions are used?
25. Salts of sorbic acid and propionic acid are used as
26. How does the book aim to make learning chemistry easy and interesting for students?
27. Other name for monosodium glutamate (MSG)
28. Which of the following substances is used as a food flavoring agent?
29. What's an example of a bacterial infection?
30. A student mixes apple juice, water, and cinnamon together. Did a chemical reaction occur?
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.
32. Which of the following is used as sweetener in diet drinks, low calories frozen desserts and soft drinks?
33. Soaps can be classified as
34. Arrange the following artificial sweeteners in increasingorder of their sweetness value?
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?
36. Antiseptics and disinfectants either kill or prevent growthof microorganisms. Identify which of the followingstatements is not true:
37. Alkaline hydrolysis of esters is known as
38. IR spectrum is a plot of
39. Sweetener use is limited to cold food stuff only
40. Amoxicillin is a medicine that has the same function as penicillin. What is its function?
41. Which of the following is a source of radioactive pollution?
42. What is the substance present in hand warmers that react with air to warm the hands during winter?
43. Photosynthesis and Respiration both occur in plants.
44. Antiseptics is an example of antimicrobial drugs
45. A sudden increase in volume which leads to the release of both energy and gases is called
46. Approximate cabon composition of petrol is .....
47. Which of the following hormones is used to treat asthma?
48. Which branch of chemistry deals with the study of carbon compounds?
49. Which vitamin is found in citrus fruits and prevents scurvy?
50. Which of the following are NOT signs that a chemical reaction occured?
51. What is the moisture content of non-fat dry milk powder?
52. Which of following chemical inhibit the enzyme which catalyse the degradation of noradrenaline?
53. The word anti-inflammatory refers to a drug that helps .....
54. What is the main function of antioxidants in skincare products?
55. Which of the following is an example of an extensive property?
56. Which among the following is an artificial sweetner?
57. Shaving soaps contain glycerol to
58. Which of the following is the active ingredient in Aspirin?
59. When Iron rusts, its weight
60. Commonly used antiseptic 'Dettol' is a mixture of