[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
Correct Answer: D
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