Surfactants can be a nuisance to papermakers when they stabilize undesirable foams, make it more difficult to hydrophobically size paper, hurt dry strength of paper, or hurt fine-particle retention. c. Absorption lamellar bodies to the air-liquid. Which of the following is a fomite? b- is decreased in red muscles. Distant metastases are found in 20% of patients at presentation. Surfactants spontaneously construct a variety of self-organized structures in solvents, which noticeably depend on the chemical structures of surfactants as well as interaction manners with the solvents. AIPGMEE 2011 – MCQ 15 – Nerve injury in supracondylar fracture . Abstract. A. fomites B. water C. droplet nuclei D. aerosols E. dr... All of the following are true about agar except ______. D) the constant portions of the H and L c... Bacteria living in a freshwater stream that are moved to salty seawater would A. be in a hypotonic solution. 10) When does surfactant production peak? 12) Commonest cause of respiratory distress in preterm infant is. We explained this a bit in our post on cosmetic emulsionsbut basically compounds can be classified as polar and non polar. Surfactants work by A. coating the organism, preventing interaction with its environment. Paediatrics MCQ – Boy with fever and rash . Learn more about surfactants in this article. B. gain water. B. Squamous cell carcinoma of the larynx represents approximately 1 % of malignancies in men. Stoke’s equation is expressed as (a) 2 V=2r (d – d )g12 9η (b) 2 V=2r (d – d )g12 18η What are surfactants? NEET Chemistry is the scoring paper in the medical entrance examination. Preservatives 6. If the answers is incorrect or not given, you can answer the above question in the comment box. d) The solubility of nonionic surfactants … E. All of the choices are correct. Surfactants added to cleaning agents, like detergent, allow the detergent to mix into water, helping cleaning agents remove dirt from the surface being cleaned. 13) From the followings which statement is true for surfactants above the Krafft temperature? NPTEL provides E-learning through online Web and Video courses various streams. 2) Which has the highest concentration in surfactant? MCQ (nerve and muscles) Choose the best ( √)answer: 1- The energy of muscle contraction is derived from the following except: a- ATP. A) They originate in bone marrow. Surfactants are smart chemicals that may be completely invisible to us most of the time but which benefit our lives in many different ways. More Topics. If the answers is incorrect or not given, you can answer the above question in the comment box. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. HEPA filters are used to remove microbes from, Bacteria living in a freshwater stream that are moved to salty seawater would, The process of dissolving the envelope and capsid to release the viral nucleic acid is, Principles and Practices of Rehabilitation. This test is Rated positive by 88% students preparing for Class 11.This MCQ test is related to Class 11 syllabus, prepared by Class 11 teachers. A) water B) droplets from a sneeze C) pus D) insects E) a hypodermic needle Answer: E. The process of dissolving the envelope and capsid to release the viral nucleic acid is  A. Adsorption B. Pharmacology – MCQ 56 – Treatment of H. Pylori infection . B. Displacement of a small amphiphile by a polymer. Which explanation demonstrates safe walker use? Perfumes And Colors 7. The important part to understand here is that Polar molecules are attracted to other polar m… Question 1 ... What is the main result of adding surfactants into a liquid composed of two immiscible phases such as oil and water? 6) Tubular myelin of surfactant is formed from -. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The multiple choice questions are intended for students at both E. An emulsion stabilised by drugs. These professions play a vital role in health care management. B) They have antibodies on their surfaces... HEPA filters are used to remove microbes from A. air. M. Miyake, Y. Yamashita, in Cosmetic Science and Technology, 2017. To understand surfactants it’s first important to understand a property of all chemicals, polarity. Surfactants are categorized into petrochemical and bio-based, depending on the raw material used for the synthesis. Add a Comment Cancel reply. Surfactant production starts at 20 weeks and peaks at 35 weeks. 2. What is competitive adsorption or competitive displacement, with reference to the surface adsorbed layer? Ophthalmology – MCQ 8 – A patient with unilateral proptosis . Get PDF of Power point presentation here : https://goo.gl/TRxIAl Get Entire 2 hour video here : https://goo.gl/SrQBcL. B. blocking transport into the organism. In the dyeing of textiles, surfactants help the dye penetrate the fabric evenly. SURFACE TENSION PAPER – 1: 2. oil and water). How surfactants will facilitate or aid wetting of hydrophobic materials in liquid (a) By decreasing the solid-liquid interfacial tension (b) By increasing the solid-liquid interfacial tension (c) Both (d) None 23. 3) What is the most important function of surfactant? B) the H chains. D. medical instruments. c 2- The frequency needed to produce tetanus: a- is increased by cooling. Surfactants are incorporated in preparations like toothpaste; All of the mentioned ... MCQ Multiple Choice Questions and Answers on Surface Tension. Flashcards, games, and more with flashcards, games, and more flashcards. 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