Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Bond and Molecular Structure
What is the percentage composition of the element of H2SO3?
1
2.5% H, 58.5% S, 39% O
2
2.5% H, 39% S, 58.5% O
3
58.5% H, 39% S, 2.5% O
4
More than one of the above
5
None of the above