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Which of the following chemical equation is not balanced.
(1) (NH), Cr,O, -4>Cr,O, +4H,O+N,
(2) 2Pb(NO), -42PbO+ 4NO2

By Charlie

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​

About the author
Charlie

A car starting from rest attains a velocity of 60 km/h in 1 minute. Calculate :
(I) its average velocity, acceleration.

5. What will be the opposite of 3 km south?
a) 3 km east (b) 3 km north
C) 3 km northeast d) 3km west​

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