Name and function of this glass ware

Q: Explain TWO (2) significance of understanding ductility in the processing of material

A: Introduction :  Ductility : Ductility can be defined as the ability of a material to be hammered…

Q: Which of the following casting technique is used for a metallic product that requires high…

A: Die - casting, investment casting, plaster casting, and sand casting, each provide their own unique…

Q: What is the difference between Lime scrubbing and limestone scrubbing?

A: The lime or limestone scrubbing process is the most common method for the reduction of the SO2…

Q: Fill in the blanks: Silica ____ has a larger surface area than particle type ___

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

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Q: Describe two types of asbestos and the health controversy over asbestos.

A: Given problem is about asbestos and in this we have to describe the type of asbestos and the health…

Q: Classify stainless steel according to type of matter

A: Stainless steels are classified according to their metallurgical structure :- (a) austenitic, (b)…

Q: You wish to fabricate sunglasses that consist of a plastic covered with a semi transparent metal…

A: Physical vapor deposition (PVD) is the best method for depositing the thin metal films on other…

Q: Describe how liquid hourglass works step by step.

A: Answer -  Liquid hourglass - Principal -  Liquid Hourglass, a device for measuring time. In its…

Q: Differences between boiling tube,test tube and nessler glass

A: Test tube: A test tube is commonly used in all type of laboratories, also called sample tube or…

Q: Briefly describe the proper technique for heating liquids in test tubes to temperatures below 100…

A: There are number of techniques for heating liquids in test tube. Some of these are: heating on…

Q: What is the difference between raw and pure products?

A: Raw materials often include insoluble particles requiring a clarification by pass system beforehand,…

Q: What is the property of a material that makes it transparent? Why does mineral such as emerald…

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

A: Since the case when the bonds are directional, that is they are present in a particular direction…

Q: 1. Write a short description about the physical and chemical properties of a copper at standard…

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Q: what type of environment will an N atom reside in a natural diamond

A: Diamond is an allotrope of carbon. It is very hard material use for drilling.  Natural diamond is a…

Q: Higher coefficient of thermal expansion: High purity fused silica _ Pyrex glass (borosilicate)

A: Coefficient of Thermal Expansion of high purity fused silica = 0.64×10-⁶/℃

Q: Describe the Goldsmith Classification of element

A: A geochemical classification developed by Victor Goldschmidt (1888–1947) is the chemical elements…

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 how Zn is used to protect the surface of steel products. What is the name of this process?

A: Zinc metal has a number of characteristics that make it a well-suited corrosion protective coating…

Q: Describe the process carried on the Hall-Héroult with identifying the required processing ratio of…

A: The Hall-Heroult process is widely used in aluminium extraction. In Hall-Heroults process, pure…

Q: What is the types of glass. Give detail

A: Glass is a hard substance that is transparent or translucent in nature. It can be made by a fusion…

Q: 1. The plates were "pre-baked" at >120°C. Why is this step necessary?

A: 1. It is necessary otherwise it will create problem during TLC. Solvent will not move properly. So,…

Q: Mass (sample + glass) Observations Classification Hygroscopic, Deliquescent, Efflorescent, or None…

A: Yes you are right. However some of the crystal shows  both behaviour. Na2CO3.10H20 is a white…

Q: What is the difference between the hardening process of Portland ce-ment and the hardening process…

A: The major components of Portland cement include Silica, SiO2 and limestone, CaCO3. It also consists…

Q: Name the purification methods of cobalt(II) sulphate (CoSO4.7H2O).

A: The chemicals used for various purposes should be completely free from any type of impurities.…

Q: Why are metallized films a cheaper alternative to foil?

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Q: What is opaque

A: Materials can be classified based on the amount of light they transmit. They are classified as…

Q: Alloying can harden the metals because

A: The main alloying elements which affect hardenability are carbon ,boron. Alloys contain atoms of…

Q: Which part in the figure can be a grating or prism? O A O B OD

A: Instruments for analyzing light and for determining the identity and structure of materials that…

Q: Match the following terms to their definition. * Highly Treated Sorption Leaching Soda lime…

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Q: Why doesn't the powder glass doesn't stick to the mould when making beads

A: Interpretation -  To explain why powder glass doesn't stick to the mould when making beads.…

Q: How does molecular sieving work in the chemical industry? Explain each step of the molecular sieving…

A: Answer - molecular sieve works by adsorbing gas or liquid molecules that are smaller than the…

Q: Compare the crystal structure of diamond (C) and zinc blended (ZnS). What are the key similarities…

A: Similarities:  Both diamond and zinc blend have FCC lattice structure. Each carbon atom in diamond…

Q: B C Which part in the figure can be a grating or prism? A *中3中。 BC D * O O O O

A: Prism- An optical prism is a transparent optical element with flat, polished surfaces that are…

Q: Name two compounds used as adsorbent for controlling humidity.

A: Adsorbent is the surface on which the particles are adsorbed on the surface and energy is released.…

Q: Malleability refers to the property of a metal to

A: Malleability comes under physical property of metal. It is the property of metal to deform under…

Q: As the degree of vitrification of clay-based products increases, which of the following also…

A: In the formation of liquid glass, this chemical reaction takes place which is when clay and…

Q: crystal tha

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Q: why is it that glass fibers of different lengths have different strengths

A: Glass fibre is material  consisting of number of fibres  of glass

Q: What is the disadvantage of soda-lime glass?

A: Given: To explain the disadvantage of soda-lime glass

Q: h) You complete the effective drying of the needlelike crystals and now you will take a melting…

A: The temperature at which solid substance is converted to liquid substance is known as melting point.