MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryMole _ Equivalent ConceptAtomic Theory
Which of the following reaction is not according to the law of conservation of mass
A.2Mg(s) + O2(g) ->2MgO(s)
B.C3H8(g) + O2(g) ->CO2(g) + H2O(g)✓ Correct
C.P4(s) + 5O2(g) -> P4O10(s)
D.CH4(g) + 2O2(g) ->CO2(g) + 2H2O
Explanation
Number of atoms in the reactant side is not equal to the number of atoms in the product side. Hence, (b) is not a correct reaction.
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