How to remove the handset from the puzzle? #shorts

On removing the thyroid from the tadpole of frog

Ag is removed electrolyticaly from 20cc of a 0.1 N solution of AgNO_(3) by a current of 0.1 amp. How long will it take to remove half of the silver from the solution?

Silver is removed electrolytically from 200mL of a 0.1N solution of AgNO_(3) by a current of 0.1A . How long will it take to remove half of the silver from the solution ?

How internal energy will change due to removal of heat and work from the system?

What is renal calculus or kidney stone ? How cans stone be removed from the kidney ?