Science, asked by sujithkaramsetty2004, 2 months ago

20. Read the following and answer any four questions:

In the electrolytic refining of copper. The electrolyte is a solution of acidified copper sulphate. There are an anode and cathode. Refining is carried out by passing an electric

current.

Cathode

Anode

wcu

Cul

Arlind copper sulphate solution

Tunk

Impurities Lat we do

L The anode is

a. pure strips

b. Impure copper

c. refined copper

d. none of these

il. Anode mud consists of:

a. insoluble impurities

b. soluble impurities

C. pure metal

d. impure metal

ill. Which of the following are refined electrolytically: (A) Au, (B) Cu, (C) Zn, (D) K

a. A and B

b. B and C

C. A, B and C

d. B, C and D

iv. On passing, electric current Cu is deposited on:

a. cathode

b. anode

c. bottom of cathode

d. bottom of anode

v. Which one of the following four metal would be displaced from the solution of its sa

by the other three metal?​

Answers

Answered by avleen123cim
0

Answer:

Such a long question .do yourselves

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