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
A - Na2SO3B - Na2SO4
b
A - NaSHO3B - NaSO3
c
A - Na2SO4B - Na2O
d
A - NaHSO3B - Na2SO4
answer is A.
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