Explain the selection of engineering materials for applications depend on which properties. Why the nanomaterials have outstanding mechanical and physical properties? Draw and explain the differences between crystalline and non-crystalline solids. Draw and explain bond type of NaCl compound atoms. Why the crystalline material is favourite than non-crystalline materials?

Q: How to Identify valence electrons and core electrons ?

A: It is to be mentioned how to identify the valence electrons and core electrons.

Q: Which polymer group is in engineering thermoplastics? A High density polyethy le ne,…

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Q: Are defects and impurities in crystal structures favourable? how?

A: The defects in crystal structure are basically irregularities in the arrangement of constituent…

Q: Can a near-perfect separation be made with gas permeation?If not, why not?

A: Gas permeation technology uses porous membrane for the separation.

Q: 4) What is the difference between stress corrosion cracking and corrosion fatigue? Did polymer…

A: Given data 4) What is the difference between stress corrosion cracking and corrosion fatigue? Did…

Q: Describe the fundamental difference between adsorption and partition chromatography

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Q: Write a short note on Macro elements and Micro elements of fertilizers.

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Q: Paraffin waxes are used as external lubricant because: * -Improve dispersion of other additives…

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Q: Name different types of lubricating agents? Briefly explain each of them? Please answer at your own…

A: The objective of this question is to identify and explain the different types of lubricating agents…

Q: a) Compare and contrast properties of thermoplastics, thermosetting materials, and elastomers. b)…

A: (a) The properties of thermoplastics, thermosetting, and elastomers are to be compared and…

Q: Research about any of the following alloys and give their properties and composition. Choose at…

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Q: What are the advantages of crystallization relative to filtration or adsorption for bioproduct…

A: The advantages of crystallization relative to filtration or adsorption for bio-product purification…

Q: What does the crystal structure of graphene illustrate?

A: The crystal structure of the graphene is to be illustrated.

Q: Explain how the interactions between polymer chains impactthe physical properties of polymers?

A: Polymers are nothing but a large numbers of molecule combined together by repetitive units called…

Q: The scientist name for Chemical Solvent Process for sweetening is

A: Sol. Sulfinol Process

Q: How does solution crystallization differ from melt crystallization?

A: The difference between the solution crystallization and melt crystallization is to be mentioned.

Q: How can we remove the material reversibly adsorbed on carbon or other adsorbents?

A: When particles are diffused on a solid’s surface, the phenomenon is known as adsorption. The solid…

Q: What are called solid solutions? Write a short note on tungsten carbide alloys.

A: In the given question solid solutions are to be explained along tungsten carbide alloys have to…

Q: Why are covalently bonded materials generally less dense than those that are bonded ionically or…

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Q: Explain the significance of hydrogen bonding for water’s unusual thermal properties.

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Q: 6. With the aid of diagrams, explain what occurs during recovery, recrystallization and grain…

A: Note: Here only 1st question is answered as specific one is not mentioned 6.In the given question…

Q: why predominantly crystalline polymers appear translucent. while amorphous polymers are transparent

A: Difference between amorphous and crystalline polymers is to be given.

Q: How are super plasticizers classified? Explain in detail.

A: The objective of this question is to understand the classification of super plasticizers, which are…

Q: What is the difference between adsorbent and adsorbate?

A: The difference between the adsorbent and the adsorbate is to be mentioned.

Q: Draw all the resonance structure for the ClO- 3 polyatomic anion.

A: We are asked to draw the resonance structure of ClO3-. The chlorate ion has three major contributors…

Q: List the differences between crystalline and non-crystalline materials

A: Difference between crystalline and non-crystalline materials

Q: What is the difference between crystallization and desublimation?

A: The ways in which crystallization is different from the desublimation are to be stated.

Q: What are the 2 categories of plastics?

A: The 2 categories of the plastics are to be mentioned.

Q: Pick a statement which incorrectly describes steel ? A. It contains carbon atoms in the holes of its…

A: Steel is an alloy of iron with typically a few tenths of a percent of carbon to improve its strength…

Q: 6. State the coordination number and atomic packing fraction for the SC, BCC, and FCC crystal…

A: Step 1:    In a simple cubic structure each atom has 6 neighbouring atoms so the coordination number…

Q: Calculate the ionic packing factor of sodium chloride. Magnesium oxide has a sodium chloride crystal…

A: Ionic radius of Na = 0.98 angstrom  Ionic radius of Cl = 1.8angstrom. In FCC NaCl, there are 4…

Q: QUESTION 7 As far as solid phase imperfections are concerned I. Dislocations II. Voids III.…

A: Examples for the particular defects is asked.

Q: Which of the following statements about recrystallisation of metals are true? Select one or more: a.…

A: a) False, Recrystallization helps to enhance ductility, not plastic deformability b) True, the cold…