Q.
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
Si2O 52−n
b
SiO 32−n
c
SiO 4 4−
d
Si2O 76−
answer is B.
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