question_answer

Below four chemical equations are given. Identify the correct type of reaction for the given chemical equations.

[A] \[CuS{{O}_{4}}+Zn\xrightarrow{{}}ZnS{{O}_{4}}+Cu\]

[B] \[CaO+{{H}_{2}}O\xrightarrow{{}}Ca{{(OH)}_{2}}\]

[C] \[2AgBr\xrightarrow{Light}2Ag+B{{r}_{2}}\]

[D] \[4Fe+3{{O}_{2}}+2\times .{{H}_{2}}O\xrightarrow{{}}2F{{e}_{2}}{{O}_{3}}\times {{H}_{2}}O\]

A) A - decomposition, B - combination, C - redox, D - displacement.

B) A - displacement, B - combination, C - redox, D - decomposition.

C) A - redox, B - combination, C - displacement, D - decomposition.

D) A - displacement, B - combination, C - decomposition, D - redox.

E) None of these