31. Which one is not the detector of gas chromatography? A. T. C. D. B. C. C. D. C. F. I. D. D. A. I. D. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
32. Length of column in gas chromatography is: A. 1 - 4 meter B. 5 - 10 meter C. 10 - 12 meter D. 12 - 15 meter Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
33. Ion-exchange chromatrography is used for the separation of A. Aldehydes B. Amino acids C. Fatty acids D. Hydrocarbons Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
34. The source of energy in NMR is: A. X-rays B. Radio waves C. Gamma rays D. Micro waves Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
35. The inorganic compound used as an emetic is: A. Ferric chloride B. Copper sulphate C. Sodium iodide D. Iodine Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
36. IR Example of emission spectroscopy is A. Atomic absorption spectroscopy B. Flame photometry C. Fluorimetry D. All of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
37. Factors affecting fluorescence intensity: A. Temperature and viscosity B. Oxygen and pH C. Path length and concentration D. All Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
38. Caffeine reduces the fluorescence of riboflavin by complex formation is: A. Collision B. Static Quenching C. Chemical Quenching D. Self Quenching Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
39. The most commonly used carrier gas in gas chromatography A. Hydrogen B. Argon C. Helium D. Neon Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
40. What indicator is suitable for Sodium Carbonate titration against strong acids and why? A. Methyl red B. Methyl orange C. Phenolphthalein D. Gelatin solution Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board