Out of zinc and tin whose coating is better to protect iron objects?

Q: a. This material forms crumbly crystals and has a melting point of 16.60 Celsius. It has a low…

A: a) This material is covalent molecular solids. b) This material is covalent network solids. c) This…

Q: Product: Nail Cutter 1. Why did we use metal in making nail cutterl? Why not ceramics or polymer?…

A: The solution is shown below

Q: Now examine the quartz sample (sample 25). Of the applications listed for quartz in Table 1.2, which…

A: Quartz sample: Quartz is the most abundant mineral found in the earth crust. It is one of the most…

Q: Which materials are best suited for discharging excess static charge on your clothing during winter,…

A: Since we know that  a conductor are the materials which allows electrons to move freely  where as an…

Q: i) ii) Steel essentially contains a) 80% or more iron b) 50% or more iron c) Alloying elements like…

A: The above questions can be answered as

Q: 2 oil boiled ron nail drying agent greased nail salty water water ater air greased salty zing

A: Solution - According to the question - Given - Rusting of iron occurs due to setup of…

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: Sometimes clothes cling together when removed from a dryer. What kinds of charges are on the…

A: Static cling is the tendency for light objects to stick (cling) to other objects owing to static…

Q: Name any industry where the study of crystals would be regarded as important and why

A: Crystalline materials ubiquitous in some sectors like electronics, pharmaceuticals, cosmetic…

Q: Differentiate malleability and ductility of metals.

A: Malleability is a property of metal,by which they can be beaten into thin sheets without breaking.…

Q: Classify stainless steel according to type of matter

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

Q: Give two benefits of vulcanized rubber.

A: Vulcanization of rubber: It is a process in which the mixture of raw rubber is heated in presence of…

Q: Dr Kootsookos was cooking breakfast one day and the saucepan handle got hot and crumbled in her…

A: The polymer which is used for making saurcepan handle name is given below.

Q: description of granite rock

A: Granite is an example of igneous rock. It is quite rich in quartz and feldspar. Such igneous rocks…

Q: Explain the term, metals are shiny, malleable, and ductile?

A: Metals have a tendency to lose electrons in order to attain a stability or stable electronic…

Q: What are the main factors that determine the electrical resistance of a formation?

A: Solution:  The main factors which determine the electrical resistance of formation are mentioned…

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

A:

Q: What protections does fire resistance not provide?

A: Fire resistance is defined as a type of chemical/coating which is applied while making houses and…

Q: 1.) At room temperature the electrical conductivity and the electroh obliity for copper are 6.0x107…

A:

Q: Describe the Goldsmith Classification of element

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

Q: What is the term for an element that is generally metallic in appearance, but has properties that…

A:

Q: Compare the conduction of heat in wood versus metal.

A: Thermodynamic is the study which deals with the transfer of heat. The ability of a substance to…

Q: Give an example of an ethical dilemma that can occur in nanotechnology research. Discuss why it is…

A: Nanotechnology is the study of special properties of particles having size in the range 1 - 100…

Q: Illustrate/draw: Grain orientation  Random Preferred This topic is about  Metals in chemistry.

A:

Q: The diamond could cut/scratch the glass, this is a manifestation of what property? a. hardness b.…

A: Answer Diamond has high hardness than any other metal or non metals

Q: What minerals used in glossy paper?

A: Answer - Kaolin  Minerals like clay, mica, talc and baryte are mixed with wood pulp to make paper.…

Q: pearance of purple color ( :12 (b) Cele

A: In titration of phosphoric acid, use either methyl orange to detect first end point around the value…

Q: Describe the compounding process?

A: The compounding process has to be described below.

Q: Increasing temperature will increase the magnetization of steel.

A: (1) Atomic bonding is weaker than metallic bonding – This statement is false  Reason – A atomic bond…

Q: Give reason why platinum, gold and silver are used to make jewellary.

A: Reason for gold, silver, platinum preferred for making jewelry as follows:

Q: Which is superior in strength Metal or Plastic?

A: Metal is always super to plastic in case of tensile strength.  The reason for this strength in metal…

Q: Explain how metals conduct electricity.

A: Explain how metals conduct electricity.

Q: What is the composition of ‘Copper matte’?

A: Copper matte is a mixture of copper sulphide and iron sulphide.

Q: How can tungsten be conserved if it accidentally becomes contaminated?

A: Allowing the tungsten to touch the weld pool is one of the most common causes of contamination. This…

Q: What type of changes does erosion cause?

A: Erosion: Erosion is a geological process in which earthen materials are worm away and transported by…

Q: Which of the following is not a use of a crucible? Select one :…

A: Which of the following is not a use of a crucible? Select one :…

Q: True or False Metallic mercury is gray in nature.

A: Given statement is : Metallic mercury is gray in nature?  Predict whether the given statement is…

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: Which of the following statement is incorrect about forming operations of metal done below the…

A: If the metal foaming process is done below the recrystallization temperature then it is called cold…

Q: Why does a gold-plated steel post might not offer the same protection as a 14K gold post?

A: Given information,      A gold-plated steel post might not offer the same protection as a 14K gold…

Q: does personal care use nanotechnology?

A: NANOTECHNOLOGY -   As we know that , Nanotechnology , it is defined as  the science of converting…

Q: crystal tha

A: