Which of the following reaction is an example of autoreduction?A. `Fe_(3)O_(4)+4COto3Fe+4CO_(2)`B. `Cu_(2)O+Cto2Cu+CO`C. `Cu^(2+)(aq)+Fe(s)toCu(s)+Fe^(2+)(aq)`D. `Cu_(2)O+(1)/(2)Cu_(2)Sto3Cu+(1)/(2)SO_(2)`

Which of the following reaction is an example of autoreduction?A. `Fe_

1.	Which of the following reaction is an example of autoreduction?A. `Fe_(3)O_(4)+4COto3Fe+4CO_(2)`B. `Cu_(2)O+Cto2Cu+CO`C. `Cu^(2+)(aq)+Fe(s)toCu(s)+Fe^(2+)(aq)`D. `Cu_(2)O+(1)/(2)Cu_(2)Sto3Cu+(1)/(2)SO_(2)`
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Consider the following statements and arrange in the order of true/false as given in the codes. `S_(1)`:Cuprite, Limonite and Zincite are oxide ares `S_(2)` Magnesite and carnallite are magnesium ores `S_(3)`: Chalcocyte and azurite are ores of copper `S_(4)` Feldspar an mica minerals contain aluminium.A. TTTTB. FTFFC. FFTTD. TTFT
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Which of the following reaction is an example of autoreduction?A. `Fe_(3)O_(4)+4COto3Fe+4CO_(2)`B. `Cu_(2)O+Cto2Cu+CO`C. `Cu^(2+)(aq)+Fe(s)toCu(s)+Fe^(2+)(aq)`D. `Cu_(2)O+(1)/(2)Cu_(2)Sto3Cu+(1)/(2)SO_(2)`

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