Category: Engineering Chemistry


What are properties and Uses if Nylon 6? What do you mean by Saponnification number? Answer: Uses of nylon 6 | Properties of nylon 6 | Saponification numbers: Properties of nylon 6 1. The structure of nylons are linear that permits side‐by‐side alignment. Read more…


What are the difference between Electrochemical and Electrolytic cell? Answer: Electrochemical cell It converts chemical energy (of a redox reaction) into electrical energy. At the electrodes, spontaneous redox reaction takes place. The electrodes are made of dissimilar metals. Each electrode Read more…


What is the Phase diagram for water system? What is the Gibbs phase rule? Answer: The water system : Under normal conditions the water system is a three phase and one component system. The three phases are liquid, ice and vapour. Read more…


What are the difference between Bonding Molecular Orbitals and Antibonding Molecular Orbitals? Answer: Bonding molecular orbitals (BMO) They are formed by the additive effect of the atomic orbitals. fb = y1 + y2 . The electron density increases in the region Read more…


What are the Mechanism Of Polymerization? Answer: Mechanism Of Polymerization: Techniques of polymerization : The conversion of a monomer into a polymer is an exothermic reaction, if this heat is not dissipated or properly controlled, serious explosions will result. The Read more…


What is Flash and fire point?  What is the Viscosity index? Answer: Flash and fire point : Flash point : The flash point of an oil is the lowest temperature at which it gives off vapours that will ignite for Read more…


What is the Order of Reaction? Define Molecularity of a Reaction. Answer: Order of reaction : Order of reaction is defined as the total number of reacting species (atom, ions or molecules) whose concentration actually alters during the course of Read more…


What are the consequences of corrosion? What are the mechanism of electrochemical corrosion (wet corrosion ) ? Answer: Consequence of corrosion : 1. Plant shutdown due to failure. 2. Replacement of corroded equipment. 3. Preventive maintenance (such as painting). 4. Necessity for Read more…


Explain (i) Component ; (ii) Phase; (iii) Degree of freedom Phase : A phase is defined as the part of the heterogeneous system which consists of two or more homogeneous parts which are separated from each other by definite boundaries. Examples Read more…


What is the Valence Bond Theory and Molecular Orbital Theory (VBT and MOT)? What are the Difference between them? Answer: Valence Bond Theory and Molecular Orbital Theory (VBT and MOT) Valence bond theory (VBT) After the bond formation, the combining Read more…

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