Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Bond and Molecular Structure
Chemical formula of Metaphosphoric acid is______.
1
H2PO4
2
HPO3
3
H3PO3
4
More than one of the above
5
None of the above