Inorganic Materials of Industrial Importance — DU B.Sc (hons) Chemistry Previous Year Question Papers

How did Portland cement get its name? Explain the process of setting and hardening of Portland cement using suitable chemical reactions. (b) What is the glass transition temperature? List three important properties of glass. (c) What are carbon nanotubes? Give three important applications. 6. (a) What is calcium ammonium nitrate fertilizer? Discuss its synthesis and applications. (b) Describe the manufacturing process of glass with a flow diagram. (c) What is the role of pigment in paint formulation? Define pigment volume concentration (PVC) and its significance. 7. (a) Discuss the principle of electroplating for metallic coatings. Explain its use in the process of nickel plating. (b) What are optical fibres? How do signals travel through them? Briefly describe their applications. (c) Discuss chemical vapour deposition technique in detail. 8. (a) Explain monoammonium phosphate and diammonium phosphate fertilizers. (b) Discuss working principle, chemical reactions involved and advantages of lithium-metal battery. (c) Give the composition and applications of any two of the following types of glasses: (1) Borosilicate glass (il) Photochromic glass (111) Glass wool