Question

Pls answer 7 and 8th question

Answer 1

7:

(i) - Sodium (Na)

(ii) - Magnesium (Mg), Aluminum (Al), Zinc (Zn), Iron (Fe)

(iii) - Copper (Cu)

(iv) - Sodium (Na), Magnesium (Mg), Aluminum (Al), Zinc (Zn), Iron (Fe), Copper (Cu)

8:

(i) - Copper (Cu)

(ii) - Iron (Fe)

(iii) - Zinc (Zn)

(iv) - Copper (Cu)

hope this helps! :)