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Question
Arrange the following metals in the decreasing order of their relative abundance in earth's crust after aluminium
(a) Calcium
(b) Iron
(c) Sodium
(d) Magnesium
Options:
A .  (a), (d), (b), (c)
B .  (a), (b), (d), (c)
C .  (b), (a), (c), (d)
D .  (b), (a), (d), (c)
Answer: Option C
:
C
Option:(c)

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