Which of the following metals is not subjected to electrolytic refining/purification?
(A) Copper
(B) Zinc
(C) Tin
(D) Aluminium

1 Answer

Answer :

(C) Tin

Related questions

Description : Describe the process of purification of aluminium by electrolytic refining with the help of neat, labelled diagram.

Last Answer : Process: 1) The electrolytic cell consists of an iron tank lined at the bottom with carbon, which serve as anode. A number of graphite rods serve as cathode. 2) The cell is filled with ... . Crude or impure Al is added to the bottom layer from time to time. The process is thus continued.

Description : Explain electrolytic refining of aluminium with neat labelled diagram 

Last Answer : Process: 1) The electrolytic cell consists of an iron tank lined at the bottom with carbon, which serve as anode. A number of graphite rods serve as cathode. 2) The cell is filled with three ... Crude or impure Al is added to the bottom layer from time to time. The process is thus continued.

Description : Softness of silver can be converted into hardness by alloying it with small quantity of (A) Copper & nickel (B) Zinc (C) Aluminium (D) Tin

Last Answer : (A) Copper & nickel

Description : Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium

Last Answer : (A) Mainly tin (85%) and lead

Description : Briefly explain the electrolytic refining of copper.

Last Answer : Copper is purified by electrolytic refining. The apparatus consists of an electrolytic tank containing copper sulphate solution as electrolyte. A set of thick blocks of impure copper is made anode ... anode becomes thinner and pure cathode becomes thicker. The impurities collect at the bottom.

Description : Brass is an alloy of (A) copper and zinc. (B) copper and iron. (C) copper and Aluminium. (D) copper and tin.

Last Answer : (A) copper and zinc.

Description : Galvanization is the : (1) deposition of zinc on iron (2) deposition of tin on iron (3) deposition of copper on iron (4) deposition of aluminium on iron

Last Answer : deposition of zinc on iron

Description : Bronze medal is made up of metals ? A. copper,nickel B. copper, tin (Answer) C. copper, silver D. copper, zinc

Last Answer : B. copper, tin (Answer)

Description : Choose a statement that correctly defines the term AMALGAM: A. Amalgam is a metallic powder composed of silver, tin, copper and zinc B. Amalgam is an alloy of two or more metals that have been dissolved in ... is mixed with mercury E. Amalgam is an alloy of two or more metals, one of them is tin

Last Answer : C. Amalgam is an alloy of two or more metals, one of them is mercury

Description : Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron

Last Answer : ANSWER: W -- ZINC

Description : Which of the following commercial metals is most abundantly found in India? (A) Copper (B) Aluminium (C) Nickel (D) Zinc

Last Answer : (B) Aluminium

Description : Which of the following metals is obtained from its most common ore using an electrolytic process? w) nickel x) tin y) aluminum z) manganese

Last Answer : ANSWER: Y -- ALUMINUM

Description : Tin based white metals are used, where bearings are subjected to (A) High pressure & load (B) Low pressure & load (C) High temperature (D) Large surface wear

Last Answer : (A) High pressure & load

Description : Pick out the correct statement. (A) Dialysis process is used for the production of fresh water from brine (B) Electrodialysis is used in the manufacture of NaOH (C) Electrodialysis is used for the refining/purification of petrol (D) Both (B) and (C)

Last Answer : (B) Electrodialysis is used in the manufacture of NaOH

Description : Which of the following is the lightest of engineering metals? (A) Magnesium (B) Aluminium (C) Titanium (D) Tin

Last Answer : (A) Magnesium

Description : Extraction of __________ employs an electrolytic process. (A) Aluminium (B) Silver (C) Copper (D) All (A), (B) and (C)

Last Answer : (A) Aluminium

Description : The arcing contacts in a circuit breaker are made of (a) copper tungsten alloy (b) porcelain (c) electrolytic copper (d) aluminium alloy

Last Answer : (a) copper tungsten alloy

Description : Generally __________ are subjected to galvanising (i.e., zinc coating). (A) Non-ferrous metals (B) Non-metals (C) Low carbon steels (D) Stainless steel

Last Answer : (C) Low carbon steels

Description : Zone refining is used for the purification of?

Last Answer : Ge

Description : Statement - 1 : `PbSiF_(6) + H_(2) SiF_(6)` + gelatine is taken as electrolyte in electrolytic refining of lead . Statement -2 : Discharge potential o

Last Answer : Statement - 1 : `PbSiF_(6) + H_(2) SiF_(6)` + gelatine is taken as electrolyte in electrolytic ... Statement-1 : is false , statement-2 : is true

Description : Which one of the following is true in electrolytic refining ?

Last Answer : Which one of the following is true in electrolytic refining ? A. impure metal is made cathode B. ... as anode D. both electrodes must be pure metal

Description : What is electrolytic refining?

Last Answer : Electrolytic refining is a technique of ultra refining of metal. In this method, impure metal is taken as anode and pure metal are taken as cathode. Electric current is passed through the electrolyte to obtain pure metal at the cathode.

Description : Magnalium is an alloy of (1) Aluminium and Magnesium (2) Magnesium and Tin (3) Aluminium and Zinc (4) Manganese and Magnesium

Last Answer : Aluminium and Magnesium

Description : Brass is an alloy of (A) Nickel and tin (B) Copper and zinc

Last Answer : (B) Copper and zinc

Description : Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility

Last Answer : (D) The ability of a material to fracture without appreciable deformation is called its ductility

Description : White metal is an alloy of (A) Lead, tin and cadmium (B) Copper, tin and zinc (C) Copper and lead (D) None of these

Last Answer : (D) None of these

Description : Bronze is an alloy of copper and (A) Lead (B) Tin (C) Nickel (D) Zinc

Last Answer : (B) Tin

Description : Gun metal is an alloy of (A) Nickel, tin and copper (B) Copper, tin and zinc (C) Copper, phosphorus and nickel (D) Manganese, phosphorus and nickel

Last Answer : (B) Copper, tin and zinc

Description : Muntz metal is a/an alloys of (A) Magnesium & tin (B) Ferrous material (C) Lead & tin (D) Copper & zinc

Last Answer : (D) Copper & zinc

Description : Inconel is an alloy of (A) Tin, zinc and nicke (B) Iron, nickel and chromium (C) Copper and nickel (D) Copper and tin

Last Answer : (B) Iron, nickel and chromium

Description : German silver is an alloy of copper, nickel and (A) Zinc (B) Silver (C) Tin (D) Lead

Last Answer : (A) Zinc

Description : Bell metal is an alloy of (A) Copper & zinc (B) Copper & tin (C) Copper & nickel

Last Answer : (B) Copper & tin

Description : Nickel base alloys with __________ are known as monel metal. (A) Zinc (B) Tin (C) Copper (D) Molybdenum

Last Answer : (C) Copper

Description : Which of the following metals form an amalgam with other metals? (1) Lead (2) Tin (3) Zinc (4) Mercury

Last Answer : (4) Mercury Explanation: An amalgam is a substance formed by the reaction of mercury with another metal. Almost all metals can form amalgams with mercury, notable exception being iron. Silver- ... "excellent and versatile restorative material" and is used in dentistry for a number of reasons.

Description : Which of the following metals cannot be hot worked at room temperature? (A) Zinc (B) Nickel (C) Lead (D) Tin

Last Answer : Option B

Description : Which of the following metals form an amalgam with other metals ? (1) Lead (2) Tin (3) Zinc (4) Mercury

Last Answer : Mercury

Description : Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Last Answer : (D) Brass, cast iron, mild steel and tin

Description : H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware

Last Answer : (A) Aluminium, mild steel, stainless steel, concrete & tin

Description : Babbitt metal used for bearings is a _________base alloy. (A) Tin (B) Lead (C) Aluminium (D) Copper

Last Answer : (A) Tin

Description : Constantan used in thermocouples is an alloy of (A) Iron & copper (B) Copper & aluminium (C) Lead & tin (D) None of these

Last Answer : (D) None of these

Description : Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? (A) High silicon iron, silicon rubber ... Mild steel and stainless steel (C) Cast iron, tin and aluminium (D) Copper, nickel and Monel

Last Answer : (A) High silicon iron, silicon rubber, Kel-F and Teflon

Description : Bauxite is an alloy of which of the following metals? (1) Aluminium (2) Silver (3) Tin (4) Iron

Last Answer : (1) Aluminium Explanation: Bauxite is an aluminium ore and is the main source of aluminium. This form of rock consists mostly of the minerals gibbsite Al(OH)3, boehmite, and diaspore, in a ... the two iron oxides goethite and hematite, the clay mineral kaolinite, and small amounts of anatase TiO2.

Description : Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron 

Last Answer : Aluminium

Description : Which one occupies the lowermost position in the electromotive series of metals? (A) Aluminium (B) Noble metals (Ag, Pt, Au) (C) Zinc (D) Alkali metals (K, Na, Li)

Last Answer : (B) Noble metals (Ag, Pt, Au)

Description : (i) Copper - Bessemer converter (ii) Iorpn- Blastfurnace (iii) chromium - Aluminothermic process (iv) Tin - Carbon reducaton (v) Zinc -Belgian process

Last Answer : (i) Copper - Bessemer converter (ii) Iorpn- Blastfurnace (iii) chromium - Aluminothermic process (iv ... data how many of them are correctly matched ?

Description : Which of the following statements is correct? I. German silver is an alloy of silver, copper and zinc II. There is no zinc in brass III. Bronze is an alloy of copper and tin (a) I, II, and III (b) Only III (c) I and III (d) I and II

Last Answer : Ans:(b)

Description : Electric fuse is an alloy of – (1) tin and lead (2) zinc and lead (3) copper and iron (4) carbon and tin

Last Answer : (1) tin and lead Explanation: Electric fuse is an alloy of tin and lead.

Description : In galvanization, iron is coated with – (1) Copper (2) Zinc (3) Tin (4) Nickel

Last Answer : (2) Zinc Explanation: Galvanization is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanization, in which parts are submerged in a bath of molten zinc.

Description : Brass contains – (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Last Answer : (1) Copper and Zinc Explanation: Brass is an alloy made of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. By comparison, bronze is principally an alloy of copper and tin.