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Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
Cu, Zn, Ni
b
Cu, Ni
c
Cu, Zn
d
Cu, Sn
answer is D.
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