A chemical reaction used in black and white photography
| A chemical reaction used in black and white photography is
A.
displacement reaction.
B.
decomposition reaction.
C.
light emission reaction.
D.
heat emission reaction.
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Right Answer is: B
SOLUTION
The decomposition reactions require energy either in the form of heat, light or electricity for breaking down the reactants. Reactions in which energy is absorbed are known as endothermic reactions.