Correct answer
A. Pb3O4
Explanation
Pb3O4 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Which of the following is the weakest reducing agent ?
Boric acid cannot be used__________________?
Greater the heat of neutralization the acid will be____________?
The properties which do not depend on mass of the substance are _____________?
A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?
Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?