Which of the following metal occurs in native state ?
1 Ca
2 Au
3 Zn
4 Al
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1
Answer:
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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
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