Question

Q9 Which of the following metals exist in their native state in nature? (1) CU 2
(II) Au (lil) Zn (iv) Ag*
O (1) and ()
00) and (1)
O II) and (iv)
(II) and (iv)​

Answer 1

Answer:

Copper(Cu), gold(Au) and silver(Ag) exist in their native state in the earth's crust, and are collectively called coinage metals.

Answer 2

THE METALS THAT EXIST IN NATIVE STATE IN NATURE ARE- i)GOLD(Au)  ii) SILVER (Ag) iii)COPPER (Cu)

1. Copper- is one amongst one in every of the few metals which will occur in nature in a directly usable metallic form (native metals).

2. Silver- The metal is found within the crust within the pure, free elemental

form ("native silver").

3. Zinc- In ordinary conditions, zinc reacts rapidly with air, gradually forming a

dull grey oxide coating.

4. Gold- often occurs in free elemental (native) form, as nuggets or grains, in rocks, in veins, and in alluvial deposits.-