Instead of using the electrolytic method, suggest an alternative method to determine the copper content in an ore.

Q: What is the process used to instrumentation in voltametry and its application

A: Voltammetry is the measurement of current under the application of potential which employ 3…

Q: Which row describes how the metals are used?

A: Brass is an alloy of copper and zinc. Galvanisation or galvanization is the process of applying a…

Q: In order to plate a steel part having a surface area of 0.13 m2 with a 0.05 mm thick layer of…

A:

Q: 10. A river water samples was collected a week before it was analyzed for a trace level of metals.…

A: Solution 10)  Problems encountered in storage of sample 1) addition of extra impurity :when we take…

Q: Why should curd and sour substance not be kept in brass and copper vessels.

A: The formation of the curd takes place with the help of the bacteria lactobacillus using lactic acid.

Q: Name the process for the benefaction/concentration of: (i) an ore having impurities lighter than it…

A: Ore is naturally occurring rock or sediment containing one or more metals or minerals which can be…

Q: there

A: Basis: Potassium content there should be in potassium tris(oxalato)aluminate(III) has 3 K atoms

Q: A process employed for the concentration of sulphide ore is:(a) Froth floatation(b) Roasting(c)…

A:

Q: what is the aqueous NH3 test used for in the copper cycle experiment?

A: 1) To small drop of the solution and add it to some concentrated ammonia in a beaker or test tube.…

Q: Heating pyrites to remove sulphur is called:(a) Smelting(b) Calcination(c) Liquation(d) Roasting

A: The process to remove sulfur from pyrites is called Roasting. Option (d) is correct.

Q: In the production process of copper described by the Pyrometallurgical Smelting Method, __ is used…

A: Copper extraction refers to the methods in which copper is obtain from its ores. The conversion of…

Q: Determine the percentage of iron in a sample of limonite from the following data. Weight of sample…

A: Weight of sample = 0.5000 g
 Molar Mass of Iron = 55.85 g Molar mass of FeO = 71.84 g   Volume of…

Q: The common method for extraction of metals from the oxide ore is(a) Reduction with carbon(b)…

A: The Earth's crust contains ores which are basically "metal oxides". Ores contain enough amount of…

Q: Does the roman numeral refers to the oxidation state of an element?

A: The oxidation state of the metal refers to the number of bonds formed by that element.

Q: Determine the theoretical amount of lead chromate (PbCrO4) that can be obtained from 1000 lg of the…

A: Mass of chromite ore = 1000 kg                 % of Cr2O3 present in ore =…

Q: Name one chief ore each of copper and aluminium. Name the methpd used for the concentration of these…

A: Ore is the naturally occurring substance from which a valuable mineral or a metal is extracted by…

Q: With ocean-going ships, however, what is the solution in which the two metals are immersed?

A: Cathodic Protection: The method of protection given to a metal and making it to behave like a…

Q: In acidic solution, sodium oxalate, Na,C,0,, is oxidized to CO, by MnO, . In the process, MnO, is…

A:

Q: What is the reaction that takes place when a metal is reacting with acids?   For example;…

A:

Q: What other metals we can detect with Spectroscopic analysis?

A: Heavy metals ions like lead(Pb2+), cadmium(Cd2+), zinc(Zn2+), arsenic(As2+), mercury(Hg2+) etc. can…

Q: Write out the net ionic equation for a piece of calcium placed in a Gold(I) nitrate solution

A: The reactants given are, 1) Calcium i.e Ca (s) metal 2) Gold (I) nitrate solution i.e AuNO3 (aq)

Q: Would you please discuss the importance of the reducing and oxidizing power of an ore?

A: Answer - Ore - A naturally occurring mineral containing a valuable constituent (such as metal) for…

Q: What is the net ionic equation for the aqueous phase reaction of copper (II) nitrate solution…

A: The Reaction between copper (ll) nitrate and potassium phosphate solution . The Molecular equation :…

Q: What is chrome plating or electroplating? Briefly explain how this process works.

A: The chrome plating can provide corrosion resistance and helps in easing the cleaning procedures. It…

Q: What did the conducting solutions have in common?

A: Conducting solution is basically a solution that has the ability to conduct heat or electricity, or…

Q: The oxidation number of Mn in MnO₂ is

A: The oxidation number of an element represents the charge density on the element which controls its…

Q: Why was hydrochloric acid added for the flame test of barium?

A: Flame test of barium with con HCl.

Q: ) Metal Plating is a common process. What is it? How is it done? Give a basic description of the…

A: Solution :     Metal plating is a process in which a thin layer of one metal coats the other…

Q: use electrical wire and in making tool box become suitable for its application

A:

Q: What type of reaction is the dissolution of magnesium metal in silver nitrate solution that produces…

A:

Q: Which of these is a property of metals?

A: Metals :-  These are minerals which are isolated from the earth crust in the form of alloy ( mixture…

Q: Name the method used for the refining of titanium metal.

A: Titanium is a d block element with chemical symbol Ti. It is very light as well as a strong element…

Q: Define: (a) ore; (b) mineral; (c) gangue; (d) brine.

A: a) Ore: The mineral from which an element can be extracted easily and profitably is called an ore.…

Q: Define and compare the terms conductive, insulating, and semi-conductive.

A: To define any element whether it is conductive , insulating and semi-conductive in nature there…

Q: When using low current densities in electrodeposition, the resulting membrane is * O highly…

A: Crystallinity refers to atoms or molecules are arranged in a regular, periodic manner.

Q: Write any four applications of Aluminum Alloys

A: Alloy :  Homogeneous mixture of a metal with other metals is called as an alloy. Some common…

Q: A manufacturing company is trying to produce a lightweight but strong cart for use by home gardeners…

A: The cart would use the same volume of metal, no matter which one it was made of  If weight were the…

Q: name the ore of aluminium.

A: Ore: It is a natural occurrence of rock in which minerals are present with economically significant…

Q: What is one example (that we have looked at) of how a mineral ore is formed? What very specific…

A: Deposits of minerals form when a medium that contains and transports mineral-making ore releases and…

Q: The basic operations applied in metallurgical processes are also based on the type of chemical…

A: Metallurgy: metallurgy is defined as the process of extraction of metal from their ores.   Basic…

Q: (i) Name the method of refining to obtain low boiling metal like mercury, (ii) What is the role of…

A: Refining consists of purifying an impure metal. It is to be distinguished from other…