Question

What is propose of adding urea to the brass solution?

Answer 1

The Purpose of Adding Urea to Determine Cu In Brass to destroy exess of nitrous acid and oxides of nitrogen which interfere with the determination. If they are not distroyed,they also oxidise KI to I2 which should have been done by Cu2+ ions.

Answer 2

$\huge\fbox\green{♡Answer}$

The Purpose of Adding Urea to Determine Cu In Brass to destroy exess of nitrous acid and oxides of nitrogen which. Then add the carbonate and stir Transfer the solution to your plastic 1 liter bottle. When not in use store this bottle. to end user. – ensuring that urea solution is added to vehicle single refueling point Corrosive to brass, copper, and mild steel.