JEE Advanced 2021 Full Test 2 Paper 1

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SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded‐off to the second decimal place; e.g. XXXXX.XX).

Question : 35 of 54

Marks: +1, -0

In the Hall process, aluminum is produced by the electrolysis of molten Al2O3. How many second would it take to produce enough aluminum by the Hall process to make a case of 24 cans of aluminum soft-drink, if each can uses 5.0g of Al, a current of 9650amp is employed, and the current efficiency of the cell is 90.0% :

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