may june 07 5070

[hassam]

qp 1 28 help me

 

[jafar]

this is really simple, see the reaactivity series
K
Na
Ca
Mg
Al
Zn
Fe
Pb
H
Cu
Ag
Au
Pt

in the options only Copper comes below Hydrogen so Hydrogen will replace copper and becum H2O water. nd the exvess will burn

 

[hassam]

thnxxx yara!