Read the following statements :(I) Al has gre | vedclass

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(D) Statement $(I)$ is correct: $Al$ is a stronger reducing agent than $Cr$ because the formation of $Al_2O_3$ is more exothermic than $Cr_2O_3$.State

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All of these

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(D) Statement $(I)$ is correct: $Al$ is a stronger reducing agent than $Cr$ because the formation of $Al_2O_3$ is more exothermic than $Cr_2O_3$.Statement $(II)$ is correct: $Al$ is used in the thermite process to reduce $Fe_2O_3$ to $Fe$.Statement $(III)$ is correct: $PbO$ is reduced to $Pb$ by carbon in a blast furnace.Statement $(IV)$ is correct: $SnO_2$ is reduced to $Sn$ by carbon (smelting).Since all statements are correct,the correct option is $D$.

Read the following statements :
$(I)$ $Al$ has greater affinity than that of $Cr$ for oxygen
$(II)$ $Al$ can be used for reduction of $Fe_2O_3$
$(III)$ Carbon is used for reduction of $PbO$
$(IV)$ $SnO_2$ can be reduced by carbon
Choose the correct set of statement$(s)$:

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Read the following statements :$(I)$ $Al$ has greater affinity than that of $Cr$ for oxygen$(II)$ $Al$ can be used for reduction of $Fe_2O_3$$(III)$ Carbon is used for reduction of $PbO$$(IV)$ $SnO_2$ can be reduced by carbonChoose the correct set of statement$(s)$: