ESS-UNIT-4-Part-3 December 8, 2023 Contents Results - #1. What is the primary purpose of a catalyst in chemical manufacturing? Increase reactant concentration Increase reactant concentration Decrease reaction rate Decrease reaction rate Minimize waste Minimize waste Change product color Change product color #2. What is the role of chemical synthesis in manufacturing? Generate electricity Generate electricity Produce chemicals Produce chemicals Extract minerals Extract minerals Purify water Purify water #3. What does medicinal chemistry primarily focus on? Designing drugs Designing drugs Studying plant biology Studying plant biology Creating synthetic materials Creating synthetic materials Analyzing soil composition Analyzing soil composition #4. Which analytical technique is commonly used for drug analysis? Chromatography Chromatography Sonication Sonication Distillation Distillation Filtration Filtration #5. What is a key application of polymer chemistry in materials science? Studying atomic structure Studying atomic structure Designing electronic circuits Designing electronic circuits Synthesizing plastics Synthesizing plastics Analyzing crystallography Analyzing crystallography #6. What do X-ray diffraction and spectroscopy contribute to in materials science? Drug formulation Drug formulation Polymer synthesis Polymer synthesis Material characterization Material characterization Food preservation Food preservation #7. What does food chemistry primarily focus on? Creating perfumes Creating perfumes Designing packaging materials Designing packaging materials Understanding food composition Understanding food composition Studying atmospheric reactions Studying atmospheric reactions #8. What role does chemistry play in food preservation? Enhancing flavors Enhancing flavors Extending shelf life Extending shelf life Increasing acidity Increasing acidity Introducing preservatives Introducing preservatives #9. In chemical manufacturing, what is the term for a substance added to a reaction to slow down or inhibit it? Catalyst Catalyst Inhibitor Inhibitor Reactant Reactant Solvent Solvent #10. What is a common method for optimizing chemical processes in manufacturing? Increasing temperature Increasing temperature Adding more reactants Adding more reactants Process intensification Process intensification Reducing pressure Reducing pressure #11. What does drug formulation primarily involve? Designing chemical reactions Designing chemical reactions Creating dosage forms Creating dosage forms Testing pharmaceutical machinery Testing pharmaceutical machinery Analyzing biological pathways Analyzing biological pathways #12. Which analytical technique is often used for determining the molecular structure of a drug? Mass spectrometry Mass spectrometry NMR spectroscopy NMR spectroscopy Gas chromatography Gas chromatography Titration Titration #13. What is a key application of nanomaterials in materials science? Enhancing color in textiles Enhancing color in textiles Increasing mechanical strength Increasing mechanical strength Accelerating chemical reactions Accelerating chemical reactions Improving taste in food products Improving taste in food products #14. What does the study of crystallography in materials science focus on? Electrical conductivity Electrical conductivity Atomic and molecular structure Atomic and molecular structure Mechanical properties Mechanical properties Chemical reactions Chemical reactions #15. What role does flavor chemistry play in the food and beverage industry? Controlling temperature Controlling temperature Enhancing aroma and taste Enhancing aroma and taste Regulating acidity Regulating acidity Minimizing microbial growth Minimizing microbial growth #16. Which factor is essential for the success of food preservation methods based on chemistry? Reducing pressure Reducing pressure Increasing humidity Increasing humidity Controlling temperature Controlling temperature Enhancing color Enhancing color Finish