Silver is obtained from the lead & Zinc ares of Zawar mines in which city? -General Knowledge

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Description : Silver is obtained from the lead & Zinc ares of Zawar mines in which city? -General Knowledge

Last Answer : The answer is 'Udaipur'

Description : Silver is obtained from the lead & Zinc ares of Zawar mines in which city?

Last Answer : Udaipur

Description : Match the following: List-I List-II (Minerals) (Mining areas) A. Graphite 1. Bellary B. Lead 2. Didwana C. Salt 3. Rampa D. Silver 4. Zawar Codes: (a) 3 4 1 2 (b) 1 4 2 3 (c) 3 1 4 2 (d) 2 3 1 4

Last Answer : Ans: (b)

Description : Match the following: [IAS 1998] Minerals Mining area A: Graphite 1. Bellary B. Lead 2. Didwana C. Salt 3. Rampa D. Silver 4. Zawar A B C D (a) 3 4 1 2 (b) 1 4 2 3 (c) 3 1 4 2 (d) 2 3 1 4

Last Answer : Ans: (b)

Description : The Jawar mines of Udaipur are famous for (a) Marble (b) Zinc (c) Granite (d) Bauxite

Last Answer : Ans: (b)

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

Last Answer : (A) Zinc

Description : German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Last Answer : Answer: Option C

Description : Brass is an alloy of (A) Copper and zinc (B) Zinc and lead (C) Tin and silver (D) Zinc and nickel

Last Answer : Answer: Option A

Description : Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver

Last Answer : ANSWER: Y -- LEAD

Description : "Parma" is an important place in Madhya Pradesh. It is famous for – (1) Gold mines (2) Silver mines (3) Diamond mines (4) Iron mines

Last Answer : (3) Diamond mines Explanation: Panna is famous for its diamond mines. A large group of diamond deposits extends North-East on a branch of the Vindhya Range for 240 km or so, and ... under the Diamond Mining Project of National Mineral Development Corporation (NMDC Ltd) of Government of India.

Description : Bitumen is obtained from (A) Forests and Plants (B) Kerosene oil (C) Crude oil (D) underground mines 

Last Answer : Answer: C  Explanation: Bitumen/asphalt/tar is a common binder used in road construction. Bitumen is obtained from crude oil by the process called fractional distillation. It is pr incipally obtained ... after higher fractions like gas, petrol, kerosene and diesel, etc., are removed.  

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 : 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 : How is granular zinc & zinc dust obtained ?

Last Answer : Ans. Granular zinc is obtained by pouring molten zinc in cold water & zinc dust by melting zinc & then atomising it with blast of air. 

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Last Answer : Consider the following statements and arrange in the order of true/false as given in the codes. `S_(1)`:Cuprite ... . A. TTTT B. FTFF C. FFTT D. TTFT

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Last Answer : He chose it so he can splash ares and distract him and slash himin the ankle

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Last Answer : Just figured it out. Just press the Scroll lock key(which is ontop of the Page up key) and it should light up.

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Description : The oxidation state exhibited by hydrogen in its various compound ares------------------------

Last Answer : Ans: +1.-1 and Zero

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Last Answer : b) Discrete

Description : Cryptography is an interdisciplinary subject, drawing from several fields. Before the time of computers, it was closely related to linguistic. Nowadays the emphasis has shifted, and cryptography makes extensive use ... as _______mathematics: a) Increte b) Discrete c) Both of Above d) None of These

Last Answer : b) Discrete

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 : Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes (A) Asphyxiation (suffocation) (B) Shortness of breath (C) Tuberculosis (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : The plates of a NiCad storage battery are made of ________. A. potassium hydroxide with a small amount of sulfuric acid B. lead and lead peroxide C. silver oxide and lead sulfate D. combinations of nickel powder and nickel & cadmium salts

Last Answer : Answer: D

Description : Mines of Panna (Madhya Pradesh) are famous for? -General Knowledge

Last Answer : diamond mines Panna is famous for its diamond mines located in a belt of about 80 kms across the town. Panna district is entirely dependent on road transport. Panna is picturesque place lying strategically in a valley amidst forest covered by lofty hills.

Description : Silver is displaced when zinc is added to aqueous sodium argento cyanideThis method of extracting silver is an example for

Last Answer : Silver is displaced when zinc is added to aqueous sodium argento cyanideThis method of extracting ... Hydro metallurgy C. Pyrometallurgy D. Liquition

Description : What is silver nitrate + zinc chloride?

Last Answer : I included phases in this equation, showing that all products and reactants in this reaction are aqueous, with the exception of silver chloride which forms a solid ...

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 : German Silver is an alloy of – (1) Copper, Silver and Zinc (2) Copper, Nickel and Zinc (3) Mid-brain (4) Fore-brain

Last Answer : (2) Copper, Nickel and Zinc Explanation: German Silver (also known as New Silver, Nickel Brass, etc) is a copper alloy with nickel and often zinc.

Description : Brass is an alloy of - (1) Nickel and Copper (2) Copper and Silver (3) Nickel and Zinc (4) Zinc and Copper

Last Answer : (4) Zinc and Copper Explanation: Brass is an alloy of copper and zinc, in proportions which can be varied to achieve varying mechanical and electrical properties.

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.

Description : Which among the following metal is used for galvanization? (1) Zinc (2) Copper (3) Iron (4) Silver

Last Answer : (1) 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 galvanizing, in which parts are submerged in a bath of molten zinc.

Description : German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Last Answer : (2) Copper, zinc, nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... to its development by 19th-century German metalworkers in imitation of the Chinese alloy known as paktong.

Description : German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Last Answer : (3) zinc, copper and nickel Explanation: German silver is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc.

Description : A metal is exposed to the atmosphere for some time. It becomes coated with green carbonate. The metal must be – (1) silver (2) copper (3) aluminium (4) zinc

Last Answer : (2) copper Explanation: Copper forms a rich variety of compounds with oxidation states +1 and +2, which are often called cuprous and cupric, respectively. It does not react with water, but it ... contrast to the oxidation of iron by wet air, this oxide layer stops the further, bulk corrosion.

Description : German silver is an alloy of – (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) zinc, silver and copper

Last Answer : (3) zinc, copper and nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... . Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.

Description : Which of the following is not present in German-silver? (1) Copper (2) Nickel (3) Silver (4) Zinc

Last Answer : (3) Silver Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often zinc. The ... to its development by 19th-century German metalworkers in imitation of the Chinese alloy known as paktong.

Description : German silver, an alloy, does not contain the metal – (1) Nickel (2) Zinc (3) Copper (4) Silver

Last Answer : (4) Silver Explanation: Nickel silver is a copper alloy with nickel and oft6n. zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc. Nickel silver is named for its silvery ... under ASTM B 122) contain significant amounts of zinc, and are sometimes considered a subset of brass.

Description : Which one of the following elements shows variable equivalent mass? (1) Zinc (2) Silver (3) Calcium (4) Iron

Last Answer : (4) Iron

Description : Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver

Last Answer : (4) Silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).

Description : German silver used for decorative purposes contains maximum percentage of (A) Silver (B) Copper (C) Zinc (D) Nickel

Last Answer : (B) Copper

Description : German silver in an alloy of (A) Copper, nickel and zinc (B) Copper, aluminium and silver (C) Silver, zinc and aluminium (D) Silver, nickel and zinc

Last Answer : (A) Copper, nickel and zinc

Description : Why is Zinc and not Copper used for the recovery of Silver from the complex [Ag (CN)2 ] ? 

Last Answer : Ans. Zinc is stronger reducing agent and more electropositive than Copper. (E° = + 0.34V)