Question

Which of the following metal occurs in native state ?

1 Ca

2 Au

3 Zn

4 Al

Answer 1

Answer:

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Answer 2

Answer:

a.(1) and ( 2)

b.(2) and(3)

c.(2) and(4)

d.(3) and(4)

Explanation:

copper(cu),gold(au) and silver(Ag) exist in their native state in their earth,s crust, and are collectievly called coinage metals