Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Chemistry Classification of Elements and Periodicity in Properties
Which of the following metals exist in their native state in nature?
(i) Cu
(ii) Au
(iii) Zn
(iv) Ag
1
(i) and (ii)
2
(ii) and (iii)
3
(ii) and (iv)
4
More than one of the above
5
None of the above