Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Basic Concepts of Chemistry
Which of the following reactions is not correct according to the law of conservation of mass.
1
2Mg(s) + O2(g) → 2MgO(s)
2
C3H8(g) + O2(g) → CO2(g) + H2O(g)
3
P4(s) + 5O2(g) → P4O10(s)
4
More than one of the above
5
None of the above