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Physical Science অজৈব রসায়ন অজৈব রসায়ন Question #5090 (CAT-I)

ওলিয়াম-এর সংকেত কী?

A H2SO4
B H2S2O7
C H2SO3
D H2S2O8
Correct Answer & Explanation
Option B
Option B is the correct answer according to official curriculum guidelines.
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