After check-up, he was shocked to see that most of the farmers suffered from cancer due to regular exposure to pesticides and many were diabetic. Those antibiotics which are effective for large number of micro-organisms are called ‘broad spectrum antibiotics’. 2C17H35COONa + Ca2+ > Ca(COOC17H35)2 + 2Na+.

Whereas the rest 4% is composed of about 60 elements. Answer : : 01, Total MCQs: 15 (iii) Refer Ans. 0.2% phenol, 1% phenol Answer : Short Answer Type Questions [II] [3 Marks].

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(b) NHRC is doing good job to help people to get proper health care. (iii) Aspartame is unstable at cooking temperature, therefore, its use is limited to cold food and drink. (a) Dr. Satpal dettol. For more important questions on subject topics or to learn more about chemistry in everyday life, register with BYJU’S. to Q.26 (ii).

Question 43: Oct 31,2020 - Test: Chemistry In Everyday Life - From Past 28 Years Questions | 11 Questions MCQ Test has questions of Class 12 preparation. Answer : Chlordiazepoxide and meprobamate are mild tranquilizers suitable for relieving tension. (ii)Aspartame is unstable at cooking temperature.

Question 13: (i) Tranquilizers: Those drugs which reduce anxiety and produce a feeling of well being, e.g. Question 33: Short Answer Type Questions [II] [3 Marks]. Answer : Dyes can be prepared by diazo coupling for example, Commonly used antiseptic 'Dettol' is a mixture of               [1996], The mixture of chloroxylenol and terpenol Answer : Question 23: Answer : Antihistamine?

Question 25: Which one of the following is employed as a to Q.37 (ii). (iii)Those detergents w hich have large anion groups are called anionic detergents. cetyl trimethyl ammonium chloride [CH3(CH2)15N(CH3)3]+C1~ is a cationic detergent. (i) Refer Ans. (ii)Synthetic detergent because synthetic detergents work well even with hard ‘water containing Ca2+ ions. He is stressed due to his hectic schedule. Which of the following is water-soluble? What are the following substances? With regular Yoga sessions, Mr. Naresh is now a happy and relaxed man. (ii) Which one of the following drugs is an antibiotic: Name a drug which can be useful in treating this depression. to Q.22 (iii). Mention the action of the following on the human body in bringing relief from a disease. (iii) Antacids What is the cause of a feeling of depression in human beings? (ii) Aerosols Antacids and anti¬allergic drugs have different receptors, therefore, they do not interfere with the function of each other. Except vitamins remaining substances do not have nutritional value. (i) Refer Ans. Also Access CBSE Class 12 chemistry Sample Papers and class 12 Chemistry previous year question papers. 6. (ii) Disinfectants (i) (a) Dr. Satpal is a kind person and concerned about the health of poor farmers. Question 39: (ii) Enzymes For example, Sodium Lauryl Sulphate. (ii) Disinfectants Question 20: ‘ (ii) Food preservatives As JEE Mains 2020 is drawing closer, each minute slipping by is valuable for the JEE Mains aspirants. Sunscreen’s action is as the named suggest, it functions as a screen and offers protection from sunburns which is caused by UV-B. Equanil, valium and serotonin are some commonly used tranquilizers, Which one of the following is employed as atranquilizer drug? Answer : invertase catalyses hydrolysis of sugar (sucrose). Answer : (ii)Proteins (enzymes) and lipids. As a science student, why did Shilpa suggest to Mamta to use synthetic detergent? Any items you have not completed will be marked incorrect. [2011]. (iii) Food preservatives Class 12 students definitely take this Test: Chemistry In Everyday Life - From Past 28 Years Questions exercise for a better result in the exam. Explain the cleaning action of soap. This mock test of Test: Chemistry In Everyday Life - From Past 28 Years Questions for Class 12 helps you for every Class 12 entrance exam. Detergents having linear alkyl chains are biodegradable. Chemistry in everyday life class 12 important questions. (i) Antacid From the way how our body exchanges oxygen to how our universe was created, all have a side of chemistry associated with it. You have not finished your quiz. Let us now discuss some common examples of chemistry in everyday life which most of us never knew about. Streptomyyip. These are sodium salts of sulphonic acids of long hydrocarbon chain, e.g. Chloroamphenicol is a broad spectrum Those compounds which kill or supress the growth of micro-organisms and are harmful for tissues are called antiseptics, e.g. Refer Ans. Answer the following questions: Question 2: (ii)Enzymes CBSE Maths notes, CBSE physics notes, CBSE chemistry notes.

After reading the above passage, answer the following questions: 2014 – Short Answer Type Questions[ll] [3 Marks]. (ii) Synthetic detergents Equanil, seconal, etc. It leads to depression. to Q.23(t). Question 51: If you are studying chemistry then you must have wondered about the importance of chemistry in everyday life. Artificial Preservatives: These prevent spoilage of food by stopping the growth of microorganism.

(iii) Enzymes: They are biological catalyst which catalyse bio chemical reactions, e.g. From chemistry facts in daily life to recent scientific discoveries. You yourself are a big bag of chemicals! to Q.22 {iii).

Antioxidants: These prevent the spoilage of food by preventing the oxidation of food.

Question 32: Also Read: Important Questions on Chemistry in Everyday Life. Question 40: (a) Differentiate between disinfectant and an antiseptic. Required fields are marked *. What were the values associated with the above decision? (i) Antacids

(iii) Refer Ans. (ii) Chloramphenicol is an antibiotic. That is why we have provided them for you. (i)Proteins (enzymes) and carbohydrates are macromolecules that are chosen as drug targets. The salts of propanoic acid and sorbic acid are also used as preservatives. Chemistry is the branch of science which deals with the investigation of the properties and changes of matter. Dilute solutions of Boric acid and HydrogenPeroxide are strong antiseptics. Question 22: (i) Antifertility drugs pill"? Differentiate between disinfectants and antiseptics. (iii) Analgesics: Those drugs which give relief from pain, e.g. Question 19: State reasons for the following occurrences: of syphilis, is, The artificial sweetener containing chlorine that For more important questions on subject topics or to learn more about chemistry in everyday life, register with BYJU’S. They all resolved this issue by strictly banning the junk food in schools and to introduce healthy snacks and drinks’like soup, lassi, milk, etc. (iii) Refer Ans. Antiseptics: These are chemicals which kill or prevent the growth of micro¬organisms. . Question 1: KMn04.

(iii) Give an example of artificial sweetener that could have been recommended to diabetic patients. Well most of us haven’t even noticed that there is, in fact, an expiration date on that bottle. (ii) Refer Ans. (i) Brompheniramine Answer : Equanil is used in controlling depression and hypertension.

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