11. UV radiation lies in the range of A. 400 - 650 nm B. 200 - 400 nm C. 900 - 1200 nm D. 1400 nm and more 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
12. The permanent red colour obtained at the end of the titration in volhard's method is due to the formation of A. Ferric thiocyanate B. Silver chromate C. Ammonium chromate D. Ammonium thiolcyanate 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
13. The glass electrode used in pH measurement is A. Metal-metal oxide electrode B. A membrane electrode C. Ion selective electrode D. None of the above 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
14. Absorption maxima goes to longer wavelength is called A. Hypochromic shift B. Hyperchromic shift C. Blue shift D. Red shift 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
15. What is unit of chemical shift? A. Centimeter B. Cycle per second C. Part per million D. None of the above 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
16. Ion exchange chromatography is commonly used to purify: A. Alkaloids B. Proteins C. Glycosides D. Vitamins 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
17. Chemical shift is expressed in one of the following units A. mm/ml B. Parts per million C. Per centimeter D. Amperes 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
18. In neighboring group effects, there is no: A. Intramolecular electrophilic attack B. Special kind of stereo chemistry C. Usually fast rate of reaction D. Intramolecular nucleophilic attack 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
19. Metals and metalloids are detected by: A. Flame photometry B. Atomic absorption C. Fluorimetry D. All of the above 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
20. Which of the following groups enhances fluorescence: A. N = N B. NO2 C. COOH D. NH2 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
