7 a]With suitable example explain microwave synthesis and bio catalyzedreactions. • Microwave radiations are the combinations of Electric and magnetic waves in electromagnetic spectrum. • Microwave synthesis involves a science…
6.C] Explain the synthesis, properties, and applications of Polylactic acid Answer:- Synthesis of Polylactic acid:- Polylactic acid, also known as poly (lactic acid) or polylactide (abbreviation PLA). PLA has become…
6.B] Write a note on Fullerenes. Mention its applications. Answer:- A fullerene is a pure carbon molecule composed of at least 60atoms of carbon. Because a fullerene takes a shape…
6.A] What are nanomaterials? Explain the synthesis of nanomaterial by sol-gel process. Answer:- The size of the materials at least in any one of its dimensions ranges between 1 to…
Answer:- Surface area: The total surface area (or) the number of the surface atoms increases with the reducing size of the particles. The physical and chemical properties property of nanomaterials…
5.B] Describe the mechanism of conduction in Polyaniline and factors influencing conduction in organic polymers. Answer:- Mechanism of conduction in Polyaniline Factors influencing conduction in organic polymers:- Effect of dopant:…
5.A] Explain the synthesis and application of Polyurethane. Answer:- Synthesis of Polyurethane: Polyurethane often abbreviated PUR and PU refers to a class of polymers composed of organic units joined by…
4.C] Explain the factors affecting the rate of corrosion (i) Nature of corrosion product, (ii) Ratio of anodic to cathodic areas (iii) pH Answer:- (i) Nature of corrosion product The…
4.B] What is electroless plating? Explain the electroless plating of copper. Answer:- Deposition of a metal from its salt solution on a catalytically active surface by a suitable reducing agent…
4.A] What is meant by metal finishing? Mention (any five) technological importance of metal finishing. Answer:- It is a process in which a specimen metal (article) is coated with another…
