8. Which of the following is a redox reaction ?
(A) NaCl + AgNO3 → AgCl + NaNO,
(B) CuCl2 + H2S → CuS + 2HCI
(C) AICI; +3NH,OH - Al(OH)3 +3NH4CI
(D) MnO2 + 4HCI --> MnCl, + 2H20 +CI2
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option D
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Answer:
option d is correct ✔✔...
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