Question

A UNKNOWN metal displaces alumiun from a solution but does not displace sodium. using actvity series, determine unknown metal

Answer 1

Step-by-step explanation:

k

na→cannot displace

ca

mg

al→can displace

zn

fe

sn

pb

h

cu

hg

ag

pt

au

the answer is calcium or magnesium

because that metal's activity will be higher than al and

lower than Na. so that the metal will be ca or mg.