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(a) Name the method by which aluminium metal is extracted. (b) Give the name and chemical formula of one ore of copper. (c) How is zinc extracted from its carbonate ore (calamine) ? Explain with equations. Lakhmir Singh Chemistry Class 10

(a) Name the process that is used in step 2 to concentrate the ore. ( 1 mk) (b) Write an equation for the reaction which takes place in step 3 ( 1 mk) (c) Name one use of zinc other than galvanizing ( 1 mk) 10. During the extraction of aluminium from its ores; the ore is first purified to obtain alumina.

Answer. Wiki User August 07, 2010 3:03AM ... What is the chemical formula for nitrate iron? ... A variety of other metal ores (e.g. copper, zinc, lead) are sometimes mixed with iron ores. In much ...

Name one main ore of zinc metal write the formula how is the metal or change into its oxide component - 7949621

Zinc | Zn | CID 23994 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards ...

Jul 16, 2008· As with many metals, pure zinc can be prepared from an ore by one of two methods. First, the ore can be roasted (heated in air). Roasting converts the ore to a compound of zinc and oxygen, zinc ...

Nov 27, 2007· chemical equation please thanks. a. In the first step of refining zinc metal from its zinc sulfide ore, the ore is heated in the presence of oxygen. The products are solid zinc oxide and sulfur dioxide gas. b. The next step of refining zinc involves heating the zinc oxide in the presece of carbon. This reaction produces zinc vapor and carbon monoxide gas.

c. Name the process used for the enrichment of sulphide ore. d. Write the chemical formulae of one main ore of iron and Al. e. Write the constituents of electrolyte for the extraction of Al. 2. Name the main constituents metal in the following alloys: a. Duralumin. b. Brass c. Stainless Steel 3.

Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a blue-silvery appearance when oxidation is removed. It is the first element in group 12 of the periodic table.

Important amalgams Zinc amalgam. Zinc amalgam finds use in organic synthesis (e.g., for the Clemmensen reduction). It is the reducing agent in the Jones reductor, used in analytical chemistry.Formerly the zinc plates of dry batteries were amalgamated with a small amount of mercury to prevent deterioration in storage. It is a binary solution (liquid-solid) of mercury and zinc.

Formula Equation: Mg (s) + ZnSO4 (aq) → Zn (s) + MgSO4 (aq) Ionic Equation: Mg (s) + Zn2+(aq) → Mg2+(aq) + Zn (s)

Zinc processing, the extraction of zinc from its ores and the preparation of zinc metal or chemical compounds for use in various products. Zinc (Zn) is a metallic element of hexagonal close-packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate

Click here 👆 to get an answer to your question ️ Name the main ore of mercury.how is mercury obtained from its ore? give balanced chemical equation

Zinc is recovered from a number of different zinc minerals. The most significant of these is sphalerite. Other minerals, such as smithsonite (ZnCO3, zinc carbonate), and zincite (ZnO, zinc oxide) are also zinc ores. Zinc is also recycled from scrap. Uses. Zinc alloys well with other metals resulting in stronger, harder metals.

Jun 24, 2013· Name, Chemical Formula. uraninite, ... Part A: The table lists several ores of metals and their chemical formulas. ... What is the difference between mineral and ore – Wiki Answers. Minerals are naturally occurring inorganic solids with a crystalline structure and a definite range of chemical formula.

Jul 26, 2018· Name the chemical formula of zinc blende and galena. Answer: Zinc blende is zinc sulphide (ZnS) while galena is lead sulphide (PbS). Question 12. Write one example each of : a metal having low melting point and a metal having high melting point. a metal which is a poor conductor of electricity and a non-metal which is a good conductor of ...

General Methods of Extraction. In this lesson, we're going to discuss the extraction of four metals: aluminum, copper, iron and zinc. In the periodic table, Aluminum is a metal of Group 13 and ...

Oct 01, 2019· 28.(a) Differentiate between roasting and calcination. Explain the two with the help of suitable chemical equations. How is zinc extracted from its ore? (b) Name two metals that can be used to reduce metal oxides to metals. Answer. (a) Roasting: It is a process in which sulphide ore is heated in the presence of oxygen to convert into oxide.

There is no chemical formula for zinc, it is an element. ... Asked in Metal and Alloys What is the chemical formula for the chemical ... Zinc chloride is the name of chemical compound with the ...

Oct 17, 2019· ICSE Chemistry Previous Year Question Paper 2018 Solved for Class 10 General Instruction: Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the Question Paper. The time given at the head of [.]

Question Bank Metallurgy II 1. Give the names of the following metals : (i) A metal commonly used for preventing rusting of iron. [1] (ii) Two metals which can be prepared by electrolysis from their fused chlorides [1] (iii) A metal which when alloyed with aluminium makes it as hard as steel [1]

Oct 28, 2014· What is Zinc metal formula? Answer. Wiki User October 28, 2014 8:02PM ... Why is there no Roman number in the name zinc chloride as found in most transition metal ... The chemical formula of zinc ...

This is a list of common chemical compounds with chemical formulae and CAS numbers, indexed by formula.This complements alternative listing at inorganic compounds by element.There is no complete list of chemical compounds since by nature the list would be infinite.

Jan 24, 2018· * Minerals are naturally occurring inorganic solids with a crystalline structure and a definite range of chemical formula. For example a calcite crystal is a mineral. * Ores are concentrations of minerals in rock that are high enough to be econom...
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