Answer Q 4. Please be quick

1.	Answer Q 4. Please be quick
Answer» $\huge\star\underline{\mathcal\color{brown}{HELLO\:MATE}}\star$ $\color{brown}{HERE\:IS\:YR\:ANS}$ ✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶ $\underline\color{Green}{<klux>REACTION</klux>}$ IN *THE* *FIRST* IS *REACTION* *THE* *LOWER* *DECREASING* *METAL* IS CU ZN. \| (2) AG CU (3) FE ZN (4) CU FU *HENCE,AT LAST* *WHICH* I *WRITE* IN *FIRST* *THAT* IS *LOWER* *REACTIVE METAL* *ACTUAL*LY. $\fbox\color{brown}{HOPE\:IT\:HELPS}$ ✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶ $\huge{\mathcal{THANKS}}$ . $☝️ABHI♥️☝️$

Answer»

$\huge\star\underline{\mathcal\color{brown}{HELLO\:MATE}}\star$