Question

Answer Q 4. Please be quick

Answer 1

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

$\color{brown}{HERE\:IS\:YR\:ANS}$

✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶

$\underline\color{Green}{REACTION}$

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 ACTUALLY.

$\fbox\color{brown}{HOPE\:IT\:HELPS}$

✶⊶⊷⊶⊷⊷⊶⊷ ❍⊷⊶⊷⊶⊷⊶⊷✶

$\huge{\mathcal{THANKS}}$

.

$<marquee >☝️ABHI♥️☝️$