Which of the following metals exist in their native state in nature? (i) Cu (ii) Au (iii) Zn (iv) Ag (a) (i) and (ii) (b) (ii) and (iii) (c) (ii) and (iv) (iii) and (iv)
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
Soln:
Answer is (d) (iii) and (iv)
Explanation:
Sodium and potassium are at the top in reactivity series hence they can be refined by electrolytic refining.