1. Which set of diagrams shows a balanced chemical equation? А
Reactants
Products
H
o
s
S
H
н
O
o
S
s s
B
Reactants
Products
H
H
н
Н
o
s
S s
H
H
H
H
o
o
s
С
Reactants
Products
H
H
H
H
o
S
S
HH
H
H
o
o
S
S
S
D
Reactants
Products
H
H
O O
O A. Diagram A
O B. Diagram B
O C. Diagram
O D. Diagram D