Which of the following common element(s) is/are present in the anode mud in elctrolytic refining of copper ?

Which of the following common element(s) is/are present in the anode mud in elctrolytic refining of copper ?
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Which of the following common element(s) is/are present in the anode mud in elctrolytic refining of ... A. Selenium B. Tellurium C. Silver D. Gold
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In electro-refining, the pure metal is deposited on (1) vessel (2) electrolyte (3) cathode (4) anode

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Copper is purifed by electrolaytic refining of blister copper ,The correct statement (s) about this prcess is (are)

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Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at eathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

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(3) made cathode and a pure nickel red, the anode Explanation: Electroplating is the deposition by electrolysis of a coating of metal upon a conducting surface. The simplest system makes the object to be plated the negative electrode (cathode) or plate in a galvanic couple. Thus a spoon or other object may be connected by a wire to a plate of nickel. The process that occurs on the spoon is called reduction and, therefore, the spoon is also referred to as a cathode.

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In an impressed current cathodic protection system, the anode is ____________. A. connected to the hull and deteriorates with time B. insulated from the hull and does not waste away C. connected to the hull but does not waste away D. insulated from the hull but deteriorates with time

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The leads of the device in figure 'B' shown in the illustration are named _________. EL-0065 A. source, gate and drain B. emitter, base and collector C. emitter, base 1 and base 2 D. anode, cathode and gate

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Leads on the device in figure 'B' shown in the illustration are named ____________. EL-0067 A. source, gate and drain B. emitter, base and collector C. emitter, base 1 and base 2 D. anode, cathode and gate

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The leads of the device in figure 'A' shown in the illustration are named the _______________. EL-0065 A. source, gate and drain B. emitter, base and collector C. emitter, base 1 and base 2 D. anode, cathode and gate

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The input signal of a travelling wave tube is introduced at A. Cathode B. Anode C. Cathode end of the helix D. Collector end of the helix

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Graphite is used as anode and not diamond. Assign reason.

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Last Answer : Ans. In graphite there are free electrons which helps in electricalconductivity.