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← JEE Main 2022 · 25 Jun · Shift 2
ChemistrySingle correct+4 / -1Question 67 of 90

JEE Main 2022 · 25 Jun · Shift 2, Chemistry question 67

Given below are two statements.

Statement I: During electrolytic refining, blister copper deposits precious metals.

Statement II: In the process of obtaining pure copper by electrolysis method, copper blister is used to make the anode.

In the light of the above statements, choose the correct answer from the options given below.

Choose one option
Answer and worked solution

Official answer: A

Electrolytic refining. Impure (blister) copper is the anode and pure copper the cathode; precious metals in the blister copper settle under the anode as anode mud. NTA's key takes both statements as true.

(A)

Topics:Refining