Question

Which of the following chemical equation is not balanced.
(1) (NH), Cr,O, -4>Cr,O, +4H,O+N,
(2) 2Pb(NO), -42PbO+ 4NO2 +02
(3) 3Fe + 2H20-Fe,0, +2H,
(4) 2H,S+30, - →21,0+250​

Answer 1

Answer:

But this is not maths questiom.