3. Answer: Antoine Lavoisier and Joseph L. Proust. Hii guys , This video is all about viva question for Organic chemistry Msc and Bsc . Who said this? Question.1. The viva voce is conducted once the student has uploaded the final version of their ... process. Below we at MicroscopeGenius.com have compiled a list of the 15 questions we are most commonly asked when one who is new to microscopes begins taking an interest and shopping for one. Ans. Absorption of water by the impression when placed in water is called imbibition. Ethyl alcohol. Input /Output Devices questions and answers of Computer Awareness for private & government jobs, competitive examination and entrance test, interview, online preparation. Viva Voce. Please like share and subscribe to my channel Thank youâº . 2,4-Dinitrophenyl hydrazine. which impression shows least dimensional change upon disinfection? I am doing the compound pendulum experiment but I am stuck on how to find the value of g from the graph Here's a description of the compound pendulum: The compound pendulum AB is suspended by â¦ Q.What are acidic and basic radicals? It is the condensation of aromatic aldehydes with aliphatic ketones (or aryl alkyl ketones) in the presence of dil. Ans. 7:09. NMR spectroscopy is used for determining structure in which of the following materials? VIVA VOCE FOR CLASS. No change. Question 28. Question 27.How can you test phenolic gr. Not all compounds that contain carbon are organic. Crystallization is one of the purification techniques which follows the process of purification substances by removing unwanted by-products. 6. Q.What is qualitative analysis? The viva voce is: â¢ an opportunity to ask the student a variety of open-ended questions to elicit holistic evidence of the studentâs learning experience. The formula for calculating compound interest is PX (1 + r/100) ^t 6) W hat is Commutative, Associative and Distributive laws in maths? Give the Einstein-Stokes expression, which describes the relation between the diffusion coefficient and particle radius: Equation: Where the â¦ Propane. Aldehyde can be described as any group of organic compounds in which a carbon atom shares a double bond with an oxygen atom, a single bond with a hydrogen atom and a single bond with another atom or group of atoms (designated R in general chemical formulas and structure diagrams). â¦ Choose the correct preposition to complete each sentence. Q.3: What is least count (L.C.)? Question.3. Monohydroxybenzene. A quasi-exception would be carbon tetrachloride, which is an organic solvent. Resources. a) Radioactive materials b) Insoluble chemical compounds c) Liquids d) Gases Answer: c Explanation: NMR spectroscopy is used for determining structure in liquids. Laws of Pendulum â Viva Voice Questions with Answer Q.1: Define simple pendulum. Question 3: Atoms are indivisible particles, which cannot be created or destroyed in a chemical reaction. What are the possible viva questions for the melting point of ice and the boiling point of water experiments? Take the preposition quiz to find out! Methylamine. Purification of compounds is done using various methods like evaporation, decantation, filtration, distillation, and crystallization. Check the solved questions prepared by subject experts. Solved examples with detailed answer description. How well do you know English prepositions? # In primary impression, the stock tray should be _____ mm larger than ridge. Chemistry Lab Manual NCERT Solutions Class 12 Chemistry Sample Papers. Impression with silicone B. Inorganic chemistry viva question. Compound Interest MCQ is important for exams like Banking exams,IBPS,SCC,CAT,XAT,MAT etc. Feedback. What is imbibition? Q.2: What is the use of Vernier Scale? I drove myself crazy by reading stories of failed vivas on the internet and convinced myself of my impending doom. . 15 0. Q.What is a radical? Crystallization. Ans. fluid exuded from the impression seen as droplets on surface are called syneresis . n-Hexane. A. Ans. Question 1: Who gave the laws of chemical combination? solution of phenol & add few drops of neutral FeCl 3, then violet blue or green or red colour indicates the presence of phenolic gr. . Commutative laws say we can swap numbers, and you still get the same number when you add, for example, a+b = b+a and same for multiplication. Get CBSE Class 10 Mathematics, Important 1 Mark Questions to prepare for board exams 2020. 4. An example of an inorganic carbon compound is carbon dioxide. Job Interview questions and answers framed at Nuclear Magnetic Resonance Spectrometer Questions and Answers 1. Question.2. CâHâ -NOâ . Form of the arch, (ovoid, square, V-shaped). Minimum questions 1. Give two examples of monosaccharides. Tests of Carbohydrates, Fats and Proteins in Pure Samples and Detection of Their Presence in Given Food Stuffs Viva Questions with Answers Question.1. or Alc. Getting a job in the field of organic chemistry needs you to be proficient in all these aspects. Ans. An ideal simple pendulum is defined as âsingle isolated particle suspended by a weightless,flexible and in extensible string with a friction-less supportâ . VERNIER CALLIPER Q.1: What is vernier calipers? It is simple instrument by which length of an object can be measured accurately up to one-tenth of a millimeter or one-hundredth of a centimeter. Compound pendulum question Thread starter Motorbiker; Start date Apr 12, 2016; Apr 12, 2016 #1 Motorbiker. Contents1 Important Questions for CBSE Class 12 Chemistry â Coordination Compounds1.1 PREVIOUS YEARS QUESTIONS1.2 20151.3 Very Short Answer Type Question [1 Mark]1.4 Short Answer Type Questions [I] [2 Marks]1.5 Short Answer Type Questions [II] [3 Marks]1.6 20141.7 Very Short Answer Type Questions [1 Mark]1.8 Short Answer Type Questions [l] [2 Marks]1.9 20131.10 â¦ . Butane. 4 mm C. 6 mm D. 8 mm # Passive impression technique involves: A. 4) One of the best methods used for the purification of organic compounds is___. Keeping these facts in mind, CBSE Class 11 Lab Manual for Chapter 10 2 Viva Questions with Answers on Detection of Elements in Organic Compounds have been planned, evaluated under subject Improvement Activities. 12) Define Avogadroâs law? Sodium metal reacts with oxygen and moisture present in air. The type of analysis that deals with the methods which are used to determine the constituents of a compound. Impression materials Viva voice questions. Slightly increases. And if we use alginate material we should use perforated stock tray for mechanical retention of impression material to the tray surface. Preparation of Organic Compounds Viva Questions with Answers. 1) Which compound gives violet colour with neutral ferric chloride solution? Answer: John Dalton. Size of the arch, stock tray comes in different sizes. To increase the accuracy of the main scale. Organic chemistry involves a scientific approach to structure, applications of the organic molecules and compounds. Filtration. Q.2: Why the word âSIMPLEâ is used before the pendulum? Increases sharply. Multiple Choice Questions with answers on Microscopy Basics. Answer. CâHâ -NH. Ans. Viva Voce. .hope it helps you. (i) Aq. 3) How many Ï bonds are present in naphthalene? Feedback. VIVA VOCE. 2) Which of the following gives ester test? Acetic acid. (i)Alcohol (ii) Secondary amine (iii) Aldehyde (iv) Carboxylic acid (i) and (iii) (Iv) (i) (i) and (iv) 3) What is Lucas reagent? what is syneresis? Answer. Kerosene oil prevents the contact of air and sodium and thus protects it from the [â¦] ... How does the presence of an impurity affect the melting point of a compound? Carbohydrates are polyhydroxy aldehydes or polydroxy ketones or the compounds which yield these on hydrolysis. Glucose and fructose. Valency is a property of groups or atoms, equal to the number of atoms of hydrogen that the group or atom could combine with or displace it in forming compounds. The viva voce (meaning âexpressed or conducted by means of speechâ ), is the final hurdle in becoming a doctor (of philosophy of course).It is also often the most feared part of completing a PhD, fueled by horror stories of evil examiners and 8-hour long exams. 5. Ammonical AgNOâ. Compound Interest MCQ Questions and answers with easy and logical explanations.Arithmetic Ability provides you all type of quantitative and competitive aptitude mcq questions on Compound Interest with easy and logical explanations. GREATER THAN 87,644 views. Impression compound C. Impression plaster D. Alginate # Primary stress bearing area in mandibular edentulous ridge is : A. Buccal shelf impression compound we used non-perforated tray, because it will be stick on the tray. in organic compound? Ans. For students of class 12 who are looking to increase their knowledge in the topics of class 12th, it is important for them to work on the important questions which have been repeating in the previous board exams. Explore the latest questions and answers in Polymer Compounding, and find Polymer Compounding experts. Questions for Colloid chemistry lecture exam In case of expressions, equations or graphs always give the meaning of symbols, and the unit! XEW IMPRESSION, 1974 The last (4th) Edition of this book appeared in 1960, and has been followed by four New Impressions, the last in 1967. Thread moved from the technical forums, so no HH Template is shown. By working on such questions not only can students perform better for their board exams, they can also score better for competitive exams. CâHâ -NHâ. Resources. solution of phenol turns blue litmus solution or paper red. Answer: John Dalton. Share with your friends. Viva Questions with Answers on Detection of Elements in Organic Compounds Chemistry Lab ManualNCERT Solutions Class 11 Chemistry Sample Papers 1.Why is sodium metal kept under kerosene oil ? When you are interviewing for an Information Technology (IT) job, in addition to the standard interview questions you will be asked during a job interview, you will be asked more focused and specific technical questions about your education, skills, certifications, languages, and tools you have expertise in. What are carbohydrates? 8) Why do you stir the ice pieces using a glass rod while heating? It's not actually organic, but it is nonpolar so it dissolves organic molecules. 1) An example of a cyclic compound is : Cyclohexane. All organics contain both carbon and hydrogen. 2 mm B. (ii) Take aq. There are many companies looking for the efficient employees in the field of organic chemistry, why not you be one among them. What is Claisen-Schmidt reaction ? NaOH solution. Check our CBSE Class 11 Lab Manual for Chapter 10 2 Viva Questions with Answers on Detection of Elements in Organic Compounds. VIVA QUESTIONS ON PN JUNCTION DIODE AND TRANSISTOR || #PhysicsPractical #ApniPryogShala #PNJunction - Duration: 7:09. Decreases. A radical may be defined as an atom or group of atoms which carries charge and behaves as a single unit in chemical reactions. MCQ Biology - Learning Biology through MCQs . CâHâ -OH. Question 4: How do atoms combine to form compound? Answer. 2) The chemical formula of aniline is___. How can you test phenol with phthallin test? Academia.edu is a platform for academics to share research papers. 2 Prepared by: Muhammad Hassam 1. According to Avogadroâs law, at the same temperature and pressure, an equal volume of gases contains the same number of molecules regardless of the chemical nature and physical properties. Question 2: Who coined the term atom?