Mention the main compounds which constitute Portland cement.

Q: What is the difference between a network solid and anionic solid?

A: Solution-  Ionic solids—formed by positive and negative ions and electrostatic attractions and held…

Q: Materials, properties and testing Describe the effect compression testing have on thermal,…

A: These properties govern the mechanical integrity of material when responding to loading or bending…

Q: Elastic stresses can move the dislocations in the material linh the increase in its stre

A: The elastic stress field that surrounds dislocations is one of its most important features. The…

Q: List three (3) properties of metallic solid that difference from ionic solid.

A:

Q: List the raw materials for making glass whilst stating their importance in glass making?

A:

Q: What are Nonoxide Ceramics?

A: Ceramics are minerals which are non-metallic and inorganic in nature. It has huge variety, like…

Q: How is plaster of Paris chemically different from gypsum? How may these be inter converted? Write…

A: Gypsum is a sulfate mineral which contains calcium sulfate dihydrate. The chemical formula is…

Q: How does crystallinity affect the mechanical properties of materials.

A: Crystallinity affects the mechanical properties of materials. The thermal performances and…

Q: Identify a property other than shape and size that is important in deciding applications of…

A: In general, material is defined as the matter from which the things can be (or are) made. Material…

Q: What is coal liquefaction?

A: Coal liquefaction has to be given below.

Q: What are some advantages and disadvantages of vitreous silica and soda-lime glass?

A: Vitreous silica is made from silica which is converted to glass. Soda lime in addition of silica…

Q: he packing efficiency (in

A:

Q: Condensed solid produced during sublimation is: *

A:

Q: What are some physical properties of diamond and graphite

A: Diamond and graphite are allotropes of carbon.

Q: What is difference between the structure of diamond and graphite?

A:

Q: During the glass manufacturing process, the liquid must be cooled relatively quickly to form the…

A:

Q: What is one layer of graphite called?

A: Introduction: Graphite:Graphite is an allotrope of carbon. It is also known as plumbago. It is…

Q: Define crystal lattice and unit cell.

A: Lattice is a collection of lattice points that are arranged in a periodic pattern so that the…

Q: Have each group member select and study a material from the section on ceramics, cement, and glass.…

A:

Q: Define crystalline

A: Crystalline is a kind of solid that constituted from atom, ion, or molecule in high ordered…

Q: Describe what happens on the molecular level when silica is heated and then cooled to make glass.

A: The general formula of silica is SiO2 which melts on heating above 1500oC.

Q: Describe the mechanism by which cement hardens when water is added.

A: Cement is binder substance used in construction of buildings. It is generally gray color substance.

Q: Write the different types of alloys?

A:

Q: Describe the effect compression testing have on thermal, electrical and physical properties of…

A: Silicon Nitride (Si3 N4 ) is one of the hardest materials used in ceramics. It has a hardness of 8.3…

Q: Uses of Amorphous carbon

A: Amorphous carbon is one of the non-crystalline allotrope of carbon as evident from its name. It is…

Q: 6- Term used to describe the stiffening of the cement paste is... 7- is the total surface area of…

A: Introduction :  Cement is made by heating limestone with other material such as clay at 1450°C in…

Q: Why Graphite is more compressible than diamond ?

A: Diamond and graphite are allotropes of carbon. The similarity between the two is the constituent…

Q: for what purpose polyphosphates are used ?

A: The esters or salts of polymeric oxyanions in which phosphate groups are attached tetrahedrally and…

Q: What is hydrogen bonding?

A: The formation of chemical compounds due to the attraction between the atoms, resulting in the bond…

Q: Give 5 types and properties of solid

A: A solid is a form of matter which possesses high rigidity and hence acquires a definite shape and…

Q: How are the properties of high-tech ceramics the same asthose of traditional clay ceramics, and how…

A: Ceramics are nonmetallic, inorganic materials that get permanently hardened on heating.  Traditional…

Q: Why are impurities added to silicon dioxide in the glass making process? To increase mechanical…

A: Impurities like boric oxide , sodium oxide and aluminium are used while making the glass

Q: What are the name and formula of the compound commonly used in the manufacture of glass to reduce…

A: Boron is a 13th group representative element lying in the second period of the periodic table.  It…

Q: PVC is an example of which type of solid?

A: PVC is polyvinyl chloride.

Q: What two properties of water are the result of hydrogenbonding, and how are these two properties…

A: The bond between hydrogen and the electronegative atoms like fluorine, oxygen and nitrogen is called…

Q: C. Comparison between an amorphous and crystalline solid Physical Properties Texture Melting point…

A: There are four fundamental states of matter- solid, liquid, gas, and plasma. Solid molecules have a…

Q: What conditions would prohibit the use of thermoplastic polymer

A: The polymer which can be melted and recast indefinitely called thermoplastic polymer.

Q: Explain in detail the process by which water gets “Hard” (formation of hard water).

A: Hard water is water that has high mineral content (in contrast with "soft water"). Hard water is…

Q: What is a polymorph?

A: Polymorphism is the concept of Material Science which is about the ability of a solid material…

Q: What is the main component of glass?a) Al2O3 b) SiO2 c) CaF2 d) SiC

A:

Q: 1. What are the principal natural processes that affect the petrophysical properties of sedimentary…

A: The main petro-physical properties of sedimentary rocks are thermal diffusivity, conductivity,…

Q: Explain how these vacancies allow oxide ions to move through the material.

A: The oxide ions move through the material is as follows.

Group 14 Elements

The following elements come under group 14 of the periodic table.